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Nobutsune Takezawa

Nobutsune Takezawa

Hokkaido University
Japan

Nobutsune Takezawa publications per year

The chart shows the history of publications by Nobutsune Takezawa between 1960 and 2004, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nobutsune Takezawa published across 45 years, from 1960 to 2004, averaging 2.8 papers a year. Output peaked at 10 publications in 1998. 4 of the 125 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1960 to 2004. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 1998. 1960: 3 publications 1961: 1 publication 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 4 publications 1967: 2 publications 1968: 1 publication 1969: 0 publications 1970: 3 publications 1971: 3 publications 1972: 5 publications 1973: 4 publications 1974: 2 publications 1975: 4 publications 1976: 1 publication 1977: 2 publications 1978: 1 publication 1979: 1 publication 1980: 2 publications 1981: 3 publications 1982: 7 publications 1983: 4 publications 1984: 0 publications 1985: 2 publications 1986: 2 publications 1987: 3 publications 1988: 1 publication 1989: 0 publications 1990: 3 publications 1991: 5 publications 1992: 6 publications 1993: 5 publications 1994: 4 publications 1995: 7 publications 1996: 0 publications 1997: 4 publications 1998: 10 publications 1999: 5 publications 2000: 6 publications 2001: 4 publications 2002: 1 publication 2003: 2 publications 2004: 2 publications
1960 2004

125 publications in total across all disciplines

View publications per year as a table
Nobutsune Takezawa: publications per year, 1960 to 2004
Year Publications
1960 3
1961 1
1962 0
1963 0
1964 0
1965 0
1966 4
1967 2
1968 1
1969 0
1970 3
1971 3
1972 5
1973 4
1974 2
1975 4
1976 1
1977 2
1978 1
1979 1
1980 2
1981 3
1982 7
1983 4
1984 0
1985 2
1986 2
1987 3
1988 1
1989 0
1990 3
1991 5
1992 6
1993 5
1994 4
1995 7
1996 0
1997 4
1998 10
1999 5
2000 6
2001 4
2002 1
2003 2
2004 2
Total 125
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Nobutsune Takezawa 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 Nobutsune Takezawa 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. 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+

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
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
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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Nobutsune Takezawa 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 Nobutsune Takezawa 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. 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+

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
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
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

Nobutsune Takezawa is affiliated with Hokkaido University in Japan. Their academic profile indicates a focus on research and scientific inquiry within the framework of this institution.

There are no recent papers, co-authors, or frequent publication venues listed in the available data, which limits detailed insights into their specific research contributions or collaborative networks.

No book publications are noted, and information on main fields of study, subfields, and research topics is not provided. As a result, the exact scope and thematic areas of their work remain unspecified based on this data.

There are no awards recorded for Nobutsune Takezawa, and the scientist is currently living.

Best Publications

  • New Supported Pd and Pt Alloy Catalysts for Steam Reforming and Dehydrogenation of Methanol

    Nobuhiro Iwasa;Nobutsune Takezawa

  • New catalytic functions of Pd–Zn, Pd–Ga, Pd–In, Pt–Zn, Pt–Ga and Pt–In alloys in the conversions of methanol

    Nobuhiro Iwasa;Tomoyuki Mayanagi;Noriaki Ogawa;Kentaro Sakata

  • Effect of Zn addition to supported Pd catalysts in the steam reforming of methanol

    Nobuhiro Iwasa;Tomoyuki Mayanagi;Wataru Nomura;Masahiko Arai

  • Highly selective supported Pd catalysts for steam reforming of methanol

    Nobuhiro Iwasa;Satoshi Kudo;Hiroyuki Takahashi;Satoshi Masuda

  • Characterization of copper/zirconia catalysts prepared by an impregnation method

    M. Shimokawabe;H. Asakawa;N. Takezawa

  • Mechanism of the reverse water gas shift reaction over Cu/ZnO catalyst

    Shin-Ichiro Fujita;Masahito Usui;Nobutsune Takezawa

  • Mechanisms of Methanol Synthesis from Carbon Dioxide and from Carbon Monoxide at Atmospheric Pressure over Cu/ZnO

    S.-I. Fujita;M. Usui;H. Ito;N. Takezawa

  • The mechanism of steam reforming of methanol over a copper-silica catalyst

    K. Takahashi;N. Takezawa;H. Kobayashi

  • Preparation of a coprecipitated Cu/ZnO catalyst for the methanol synthesis from CO2 — effects of the calcination and reduction conditions on the catalytic performance

    Shin-ichiro Fujita;Shuhei Moribe;Yoshinori Kanamori;Miki Kakudate

  • Reforming of ethanol-dehydrogenation to ethyl acetate and steam reforming to acetic acid over copper-based catalysts

    Nobuhiro Iwasa;Nobutsune Takezawa

  • Mechanisms of methanation of carbon dioxide and carbon monoxide over nickel/alumina catalysts

    Shin-ichiro Fujita;Masato Nakamura;Tosiaki Doi;Nobutsune Takezawa

  • Methanol-reforming reaction over copper-containing catalysts—The effects of anions and copper loading in the preparation of the catalysts by kneading method

    H. Kobayashi;N. Takezawa;C. Minochi

  • Methanol Synthesis from CO 2 Under Atmospheric Pressure over Supported Pd Catalysts

    Nobuhiro Iwasa;Hiroshi Suzuki;Masao Terashita;Masahiko Arai

  • Reduction of lean NOx by ethanol over Ag/Al2O3 catalysts in the presence of H2O and SO2

    S. Sumiya;M. Saito;Hong He;Q.-C. Feng

  • Difference in the selectivity of CO and CO2 methanation reactions

    Shin-Ichiro Fujita;Nobutsune Takezawa

  • Formation and reactivity of isocyanate (NCO) species on Ag/Al2O3

    Satosi Sumiya;Hong He;Akira Abe;Nobutsune Takezawa

  • Steam Reforming of Methanol Over Pd-Zn Catalysts

    Nobuhiro Iwasa;Tomoyuki Mayanagi;Satoshi Masuda;Nobutsune Takezawa

  • Mechanisms of methanation of carbon monoxide and carbon dioxide over nickel

    Shinichiro Fujita;Hiroyuki Terunuma;Masato Nakamura;Nobutsune Takezawa

  • Steam reforming of methanol on binary CuZnO catalysts: Effects of preparation condition upon precursors, surface structure and catalytic activity

    Guo-Cheng Shen;Guo-Cheng Shen;Shin-ichiro Fujita;Susumu Matsumoto;Nobutsun Takezawa

  • The mechanism of dehydrogenation of ethanol on magnesium oxide

    Nobutsune Takezawa;Chiaki Hanamaki;Haruo Kobayashi

Frequent Co-Authors

Shin-ichiro Fujita
Shin-ichiro Fujita Hokkaido University
Masahiko Arai
Masahiko Arai Chinese Academy of Sciences
Hong He
Hong He Chinese Academy of Sciences

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