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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 66 7379 6687 486 456 278 13954

Miki Niwa publications per year

The chart shows the history of publications by Miki Niwa between 1972 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Miki Niwa published across 50 years, from 1972 to 2021, averaging 5.7 papers a year. Output peaked at 19 publications in 2010. 2 of the 283 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1972 to 2021. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2010. 1972: 3 publications 1973: 1 publication 1974: 1 publication 1975: 1 publication 1976: 1 publication 1977: 4 publications 1978: 1 publication 1979: 2 publications 1980: 1 publication 1981: 11 publications 1982: 6 publications 1983: 1 publication 1984: 4 publications 1985: 4 publications 1986: 4 publications 1987: 5 publications 1988: 2 publications 1989: 10 publications 1990: 8 publications 1991: 4 publications 1992: 4 publications 1993: 4 publications 1994: 6 publications 1995: 12 publications 1996: 5 publications 1997: 14 publications 1998: 13 publications 1999: 11 publications 2000: 10 publications 2001: 7 publications 2002: 7 publications 2003: 14 publications 2004: 11 publications 2005: 16 publications 2006: 6 publications 2007: 11 publications 2008: 8 publications 2009: 11 publications 2010: 19 publications 2011: 8 publications 2012: 2 publications 2013: 4 publications 2014: 2 publications 2015: 1 publication 2016: 1 publication 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 2 publications
1972 2021

283 publications in total across all disciplines

View publications per year as a table
Miki Niwa: publications per year, 1972 to 2021
Year Publications
1972 3
1973 1
1974 1
1975 1
1976 1
1977 4
1978 1
1979 2
1980 1
1981 11
1982 6
1983 1
1984 4
1985 4
1986 4
1987 5
1988 2
1989 10
1990 8
1991 4
1992 4
1993 4
1994 6
1995 12
1996 5
1997 14
1998 13
1999 11
2000 10
2001 7
2002 7
2003 14
2004 11
2005 16
2006 6
2007 11
2008 8
2009 11
2010 19
2011 8
2012 2
2013 4
2014 2
2015 1
2016 1
2017 0
2018 0
2019 0
2020 0
2021 2
Total 283
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Miki Niwa 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 Miki Niwa 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, 261–280 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: 278 publications — 58th percentile

58% 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
261–280 979 278
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
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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Miki Niwa 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 Miki Niwa 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, 66–67 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: 66 D-Index — 60th percentile

60% 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 66
68–69 683
70–71 646
72–73 561
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

Miki Niwa is affiliated with the Aichi Institute of Technology in Japan. Their academic profile does not currently include records of published papers, frequent co-authors, or notable publication venues. There are also no documented book publications or awards associated with their name at this time.

No specific main fields of study, subfields, or research topics appear linked to Miki Niwa. This absence of detailed data suggests either a nascent academic career or limited publicly available documentation of their contributions.

Given the current information, the professional focus and research output of Miki Niwa remain unspecified. Without citation counts, journals, or co-author patterns, it is difficult to provide insight into their scholarly impact or research direction.

Ongoing data updates or additional disclosures from the academic community might offer a clearer picture of Miki Niwa's work in the future.

Best Publications

  • Cellular uptake of arginine-rich peptides: roles for macropinocytosis and actin rearrangement.

    Ikuhiko Nakase;Miki Niwa;Toshihide Takeuchi;Kazuhiro Sonomura

  • Possible existence of common internalization mechanisms among arginine-rich peptides.

    Tomoki Suzuki;Shiroh Futaki;Miki Niwa;Seigo Tanaka

  • Determination of the Acidic Properties of Zeolite by Theoretical Analysis of Temperature-Programmed Desorption of Ammonia Based on Adsorption Equilibrium

    Naonobu Katada;Hirofumi Igi;† and Jong-Ho Kim;Miki Niwa

  • Measurement of the acidity of various zeolites by temperature-programmed desorption of ammonia

    Carmela V. Hidalgo;Hirofumi Itoh;Tadashi Hattori;Miki Niwa

  • Toluene combustion over palladium supported on various metal oxide supports

    Kazu Okumura;Takeshi Kobayashi;Hideaki Tanaka;Miki Niwa

  • Measurements of acidic property of zeolites by temperature programmed desorption of ammonia

    Miki Niwa;Naonobu Katada

  • New method for the temperature-programmed desorption (TPD) of ammonia experiment for characterization of zeolite acidity: a review.

    Miki Niwa;Miki Niwa;Naonobu Katada

  • Shape-selectivity over hzsm-5 modified by chemical vapor deposition of silicon alkoxide

    Takashi Hibino;Miki Niwa;Yuichi Murakami

  • Fine control of the pore-opening size of the zeolite mordenite by chemical vapour deposition of silicon alkoxide

    Miki Niwa;Satoshi Kato;Tadashi Hattori;Yuichi Murakami

  • Fine control of the pore-opening size of zeolite ZSM-5 by chemical vapor deposition of silicon methoxide

    Miki Niwa;Masaaki Kato;Tadashi Hattori;Yuichi Murakami

  • Temperature-Programmed Desorption of Ammonia with Readsorption Based on the Derived Theoretical Equation

    Miki Niwa;Naonobu Katada;Masahiko Sawa;Yuichi Murakami

  • Modification of HZSM-5 by CVD of various silicon compounds and generation of para-selectivity

    Jong-Ho Kim;Akihisa Ishida;Manabu Okajima;Miki Niwa

  • X-ray Absorption Fine Structure Study of the Formation of the Highly Dispersed PdO over ZSM-5 and the Structural Change of Pd Induced by Adsorption of NO

    Kazu Okumura;Jiro Amano;and Naoko Yasunobu;Miki Niwa

  • Correlation between Brønsted Acid Strength and Local Structure in Zeolites

    Naonobu Katada;Katsuki Suzuki;Takayuki Noda;German Sastre

  • COMPLETE OXIDATION OF METHANE ON SUPPORTED PALLADIUM CATALYST: SUPPORT EFFECT

    Koh-ichi Muto;Naonobu Katada;Miki Niwa

  • Ammonia IRMS-TPD Study on the Distribution of Acid Sites in Mordenite

    Miki Niwa;Katsuki Suzuki;Naonobu Katada;Tomonori Kanougi

  • Support effect of zeolite on the methane combustion activity of palladium

    Kazu Okumura;Sachi Matsumoto;Noriko Nishiaki;Miki Niwa

  • Superacidity and Catalytic Activity of Sulfated Zirconia

    Naonobu Katada;Jun-ichi Endo;Kei-ichi Notsu;Naoko Yasunobu

  • Relationship between acid amount and framework aluminum content in mordenite

    Masahiko Sawa;Miki Niwa;Yuichi Murakami

  • IRMS-TPD of ammonia: Direct and individual measurement of Brønsted acidity in zeolites and its relationship with the catalytic cracking activity

    Katsuki Suzuki;Takayuki Noda;Naonobu Katada;Miki Niwa

Frequent Co-Authors

Naonobu Katada
Naonobu Katada Tottori University
Yuichi Murakami
Yuichi Murakami Nagoya University
Kazu Okumura
Kazu Okumura Kogakuin University
Tadashi Hattori
Tadashi Hattori Nagoya University
Takashi Hibino
Takashi Hibino Nagoya University
German Sastre
German Sastre Universitat Politècnica de València
Yasuaki Okamoto
Yasuaki Okamoto Shimane University
Hisao Yoshida
Hisao Yoshida Kyoto University
Atsushi Satsuma
Atsushi Satsuma Kyoto University
Kazunari Domen
Kazunari Domen University of Tokyo

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