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Akio Yamamoto

Akio Yamamoto

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 73 5027 293 429 17340

Akio Yamamoto publications per year

The chart shows the history of publications by Akio Yamamoto between 1957 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akio Yamamoto published across 69 years, from 1957 to 2025, averaging 6.8 papers a year. Output peaked at 28 publications in 1976. 9 of the 467 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1957 to 2025. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 1976. 1957: 1 publication 1958: 0 publications 1959: 2 publications 1960: 0 publications 1961: 1 publication 1962: 1 publication 1963: 2 publications 1964: 1 publication 1965: 2 publications 1966: 3 publications 1967: 3 publications 1968: 5 publications 1969: 5 publications 1970: 9 publications 1971: 6 publications 1972: 14 publications 1973: 14 publications 1974: 16 publications 1975: 19 publications 1976: 28 publications 1977: 14 publications 1978: 18 publications 1979: 17 publications 1980: 13 publications 1981: 12 publications 1982: 16 publications 1983: 17 publications 1984: 14 publications 1985: 23 publications 1986: 13 publications 1987: 9 publications 1988: 3 publications 1989: 7 publications 1990: 14 publications 1991: 10 publications 1992: 5 publications 1993: 7 publications 1994: 11 publications 1995: 10 publications 1996: 7 publications 1997: 17 publications 1998: 12 publications 1999: 10 publications 2000: 5 publications 2001: 9 publications 2002: 5 publications 2003: 5 publications 2004: 4 publications 2005: 4 publications 2006: 1 publication 2007: 7 publications 2008: 2 publications 2009: 0 publications 2010: 0 publications 2011: 0 publications 2012: 0 publications 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 1 publication 2023: 4 publications 2024: 4 publications 2025: 5 publications
1957 2025

467 publications in total across all disciplines

View publications per year as a table
Akio Yamamoto: publications per year, 1957 to 2025
Year Publications
1957 1
1958 0
1959 2
1960 0
1961 1
1962 1
1963 2
1964 1
1965 2
1966 3
1967 3
1968 5
1969 5
1970 9
1971 6
1972 14
1973 14
1974 16
1975 19
1976 28
1977 14
1978 18
1979 17
1980 13
1981 12
1982 16
1983 17
1984 14
1985 23
1986 13
1987 9
1988 3
1989 7
1990 14
1991 10
1992 5
1993 7
1994 11
1995 10
1996 7
1997 17
1998 12
1999 10
2000 5
2001 9
2002 5
2003 5
2004 4
2005 4
2006 1
2007 7
2008 2
2009 0
2010 0
2011 0
2012 0
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 0
2020 0
2021 0
2022 1
2023 4
2024 4
2025 5
Total 467
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Akio Yamamoto publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Akio Yamamoto sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 421–440 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 429 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327 429
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Akio Yamamoto D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Akio Yamamoto sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 72–73 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 73 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561 73
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Akio Yamamoto is affiliated with Waseda University in Japan, focusing on medical research primarily within the field of pulmonary and respiratory medicine. Their work encompasses a range of topics including chronic obstructive pulmonary disease (COPD), dysphagia assessment and management, respiratory support and mechanisms, among others.

The scientist has contributed to several research areas spanning subfields such as pulmonary and respiratory medicine, speech and hearing, epidemiology, cardiology and cardiovascular medicine, and physiology. The main topics covered in their publications include:

  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Dysphagia Assessment and Management
  • Respiratory Support and Mechanisms
  • Tracheal and airway disorders
  • Respiratory and Cough-Related Research
  • Pneumonia and Respiratory Infections
  • Heart Failure Treatment and Management

Yamamoto's frequent coauthors reflect collaboration within their research network and include:

  • Akira Ishikawa
  • Kumiko Ono
  • Takumi Yamaguchi
  • Hideki Sakai
  • Masahiro Kaneko

The researcher has published articles in several recognized venues, with repeated contributions to:

  • Respiratory Medicine
  • Journal of Oral Rehabilitation
  • Journal of the Atomic Energy Society of Japan
  • Respiratory Care
  • International Journal of COPD

Some of the recent papers authored or coauthored by Akio Yamamoto include:

  • Validity of a novel respiratory rate monitor comprising stretchable strain sensors during a 6-min walking test in patients with chronic pulmonary obstructive disease, 2021, Respiratory Medicine
  • Activities of daily living limitation and functional decline during hospitalization predict 180-day readmission and mortality in older patients with pneumonia: A single-center, retrospective cohort study, 2024, Respiratory Medicine
  • Reliability and Validity of the Japanese Version of the Barthel Index Dyspnea Among Patients with Respiratory Diseases, 2021, International Journal of COPD
  • Wearable Band-Shaped Device and Detection Algorithm for Laryngeal Elevation in Mendelsohn Maneuver, 2020, IEEE Sensors Journal
  • Translation and Psychometric Analysis of the Japanese Version of the Perceived Maternal Parenting Self-Efficacy Scale, 2020, Journal of Obstetric, Gynecologic & Neonatal Nursing

Yamamoto's research output, spanning over multiple topics within medicine, reflects a continued engagement in areas relevant to respiratory health and associated functional assessments. Their affiliation with Waseda University situates them within a prominent academic context in Japan contributing to both clinical and applied research.

Best Publications

  • Preparation of thermostable and electric-conducting poly(2,5-thienylene)

    Takakazu Yamamoto;Kenichi Sanechika;Akio Yamamoto

  • A Novel Type of Polycondensation Utilizing Transition Metal-Catalyzed C–C Coupling. I. Preparation of Thermostable Polyphenylene Type Polymers

    Takakazu Yamamoto;Yasuhiro Hayashi;Akio Yamamoto

  • Reductive Elimination of d8-Organotransition Metal Complexes

    Kazuyuki Tatsumi;Roald Hoffmann;Akio Yamamoto;John K. Stille

  • Organo (dipyridyl) nickel complexes. I. Stability and activation of the alkyl-nickel bonds of dialkyl (dipyridyl) nickel by coordination with various substituted olefins

    Takakazu Yamamoto;Akio Yamamoto;Sakuji Ikeda

  • Preparation and characterization of poly(thienylene)s.

    Takakazu Yamamoto;Ken-ichi Sanechika;Akio Yamamoto

  • Alkylnickel and -palladium alkoxides associated with alcohols through hydrogen bonding

    Yong Joo Kim;Kohtaro Osakada;Akio Takenaka;Akio Yamamoto

  • Palladium-catalyzed double carbonylation of aryl halides to give .alpha.-keto amides. Mechanistic studies

    Fumiyuki Ozawa;Hidehiko Soyama;Hisayoshi Yanagihara;Issei Aoyama

  • Synthesis and properties of hydridodinitrogentris(triphenylphosphine)cobalt(I) and the related phosphine-cobalt complexes

    Akio Yamamoto;Shoji Kitazume;Lyong Sun Pu;Sakuji Ikeda

  • Mechanisms of thermal decomposition of trans- and cis-dialkylbis-(tertiary phosphine) palladium(II). Reductive elimination and trans to cis isomerization.

    Fumiyuki Ozawa;Takashi Ito;Yoshiyuki Nakamura;Akio Yamamoto

  • A novel type of polycondensation of polyhalogenated organic aromatic compounds producing thermostable polyphenylene type polymers promoted by nickel complexes.

    Takakazu Yamamoto;Akio Yamamoto

  • Synthesis of trifluoromethyl ketones by palladium-catalyzed cross-coupling reaction of phenyl trifluoroacetate with organoboron compounds

    Ryuki Kakino;Isao Shimizu;Akio Yamamoto

  • Palladium catalyzed C−C coupling for synthesis of π-conjugated polymers composed of arylene and ethynylene units

    Kenichi Sanechika;Takakazu Yamamoto;Akio Yamamoto

  • Catalytic double carbonylation of organohalogen compounds promoted by palladium complexes

    Fumiyuki Ozawa;Hidehiko Soyma;Takakazu Yamamoto;Akio Yamamoto

  • Mechanism of thermal decomposition of trans-diethylbis(tertiary phosphine)palladium(II). Steric effects of tertiary phosphine ligands on the stability of diethylpalladium complexes

    Fumiyuki Ozawa;Takashi Ito;Akio Yamamoto

  • Mechanisms of double and single carbonylation reactions of aryl iodides catalyzed by palladium complexes to give .alpha.-keto esters and esters

    Fumiyuki. Ozawa;Nobuo. Kawasaki;Hidekazu. Okamoto;Takakazu. Yamamoto

  • Synthesis of Unsymmetrical Ketones by Palladium-Catalyzed Cross-Coupling Reaction of Carboxylic Anhydrides with Organoboron Compounds

    Ryuki Kakino;Sayaka Yasumi;Isao Shimizu;Akio Yamamoto

  • AN ASSOCIATIVE MECHANISM FOR REDUCTIVE ELIMINATION OF D8 NIR2(PR3)2

    K. Tatsumi;A. Nakamura;S. Komiya;A. Yamamoto

  • Activation of C–O and C–N Bonds in Allylic Alcohols and Amines by Palladium Complexes Promoted by CO2. Synthetic Applications to Allylation of Nucleophiles, Carbonylation, and Allylamine Disproportionation

    Masato Sakamoto;Isao Shimizu;Akio Yamamoto

  • Selective Dimerization of Aldehydes to Esters Catalyzed by Hydridoruthenium Complexes

    Takashi Ito;Hiroshi Horino;Yoshitaka Koshiro;Akio Yamamoto

  • Interaction of palladium(0) complexes with allylic acetates, allyl ethers, allyl phenyl chalcogenides, allylic alcohols, and allylamines. Oxidative addition, condensation, disproportionation, and .pi.-complex formation

    Takakazu Yamamoto;Mitsuru Akimoto;Osamu Saito;Akio Yamamoto

Frequent Co-Authors

Takakazu Yamamoto
Takakazu Yamamoto Tokyo Institute of Technology
Fumiyuki Ozawa
Fumiyuki Ozawa Kyoto University
Isao Shimizu
Isao Shimizu Waseda University
Kohtaro Osakada
Kohtaro Osakada Tokyo Institute of Technology
Takao Ikariya
Takao Ikariya Tokyo Institute of Technology
Yuji Ohashi
Yuji Ohashi Tokyo Institute of Technology
Akira Nakamura
Akira Nakamura Osaka University
Martin R. Cowie
Martin R. Cowie King's College London
Melvin Calvin
Melvin Calvin University of California, Berkeley
Robert H. Grubbs
Robert H. Grubbs California Institute of Technology

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