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Tetsuya Tosa

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 47 15793 3954 210 6502

Tetsuya Tosa publications per year

The chart shows the history of publications by Tetsuya Tosa between 1959 and 2010, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tetsuya Tosa published across 52 years, from 1959 to 2010, averaging 4.4 papers a year. Output peaked at 21 publications in 1974. 1 of the 227 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1959 to 2010. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 1974. 1959: 2 publications 1960: 3 publications 1961: 0 publications 1962: 6 publications 1963: 0 publications 1964: 2 publications 1965: 3 publications 1966: 0 publications 1967: 2 publications 1968: 0 publications 1969: 4 publications 1970: 2 publications 1971: 5 publications 1972: 4 publications 1973: 10 publications 1974: 21 publications 1975: 4 publications 1976: 11 publications 1977: 11 publications 1978: 6 publications 1979: 7 publications 1980: 7 publications 1981: 10 publications 1982: 15 publications 1983: 9 publications 1984: 7 publications 1985: 2 publications 1986: 12 publications 1987: 9 publications 1988: 3 publications 1989: 7 publications 1990: 5 publications 1991: 6 publications 1992: 6 publications 1993: 7 publications 1994: 7 publications 1995: 5 publications 1996: 2 publications 1997: 0 publications 1998: 0 publications 1999: 3 publications 2000: 1 publication 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 0 publications 2008: 0 publications 2009: 0 publications 2010: 1 publication
1959 2010

227 publications in total across all disciplines

View publications per year as a table
Tetsuya Tosa: publications per year, 1959 to 2010
Year Publications
1959 2
1960 3
1961 0
1962 6
1963 0
1964 2
1965 3
1966 0
1967 2
1968 0
1969 4
1970 2
1971 5
1972 4
1973 10
1974 21
1975 4
1976 11
1977 11
1978 6
1979 7
1980 7
1981 10
1982 15
1983 9
1984 7
1985 2
1986 12
1987 9
1988 3
1989 7
1990 5
1991 6
1992 6
1993 7
1994 7
1995 5
1996 2
1997 0
1998 0
1999 3
2000 1
2001 0
2002 0
2003 0
2004 0
2005 0
2006 0
2007 0
2008 0
2009 0
2010 1
Total 227
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Tetsuya Tosa 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 Tetsuya Tosa 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, 201–220 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: 210 publications — 36th percentile

36% 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 1,281 210
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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Tetsuya Tosa 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 Tetsuya Tosa 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, 46–47 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: 47 D-Index — 14th percentile

14% 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 47
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
Download as CSV

Overview

Tetsuya Tosa is affiliated with the University of Pennsylvania in the United States. Their academic profile reflects a focus within higher education institutions, engaging in research and scholarly activities at this university.

There are no records of recent papers, frequent co-authors, or frequent publication venues associated with Tetsuya Tosa, which limits the available information on their collaborative networks and publishing patterns.

No details are available regarding main fields of study, subfields, or main topics of work. Similarly, there are no book publications or awards listed, which suggests that publicly accessible bibliographic or recognition data is currently limited or not documented.

Given the absence of additional publication or research metrics, the profile centers primarily on the affiliation with the University of Pennsylvania, indicating an active position within an academic environment known for various disciplines.

Best Publications

  • Immobilized Aspartase-Containing Microbial Cells: Preparation and Enzymatic Properties

    Ichiro Chibata;Tetsuya Tosa;Tadashi Sato

  • Biochemical Bases for the Antimetabolite Action of l-Serine Hydroxamate

    Tetsuya Tosa;Lewis I. Pizer

  • Immobilization of enzymes and microbial cells using carrageenan as matrix.

    Tetsuya Tosa;Tadashi Sato;Takao Mori;Kazo Yamamoto

  • Screening of matrix suitable for immobilization of microbial cells

    Isao Takata;Tetsuya Tosa;Ichiro Chibata

  • Basic Studies for Continuous Production of L-Aspartic Acid by Immobilized Escherichia coli Cells

    Tetsuya Tosa;Tadashi Sato;Takao Mori;Ichiro Chibata

  • Transformations of organic compounds by immobilized microbial cells.

    Ichiro Chibata;Tetsuya Tosa

  • Continuous production ofL-malic acid by immobilizedBrevibacterium ammoniagenes cells

    Kozo Yamamoto;Tetsuya Tosa;Kiyokazu Yamashita;Ichiro Chibata

  • Biocatalysis: Immobilized cells and enzymes

    Ichiro Chibata;Tetsuya Tosa;Tadashi Sato

  • Studies on continuous enzyme reactions. IV. Preparation of a DEAE‐sephadex–aminoacylase column and continuous optical resolution of acyl‐DL‐amino acids

    Tetsuya Tosa;Takao Mori;Noriko Fuse;Ichiro Chibata

  • Engineering analysis of continuous production of L‐aspartic acid by immobilized Escherichia coli cells in fixed beds

    Tadashi Sato;Takao Mori;Tetsuya Tosa;Ichiro Chibata

  • Continuous production of L‐citrulline by immobilized Pseudomonas putida cells

    Kozo Yamamoto;Tadashi Sato;Tetsuya Tosa;Ichiro Chibata

  • Continuous production of L‐aspartic acid by immobilized aspartase

    Tetsuya Tosa;Tadashi Sato;Takao Mori;Yuhsi Matuo

  • Production of L-amino acids by aminoacylase adsorbed on DEAE-Sephadex.

    Ichiro Chibata;Tetsuya Tosa;Tadashi Sato;Takao Mori

  • Industrial application of immobilized biocatalysts

    Unknown

  • Immobilization of Brevibacterium flavum with carrageenan and its application for continuous production of l-malic acid

    Isao Takata;Kozo Yamamoto;Tetsuya Tosa;Ichiro Chibata

  • Immobilization of Escherichia coli cells containing aspartase activity with κ-carrageenan. Enzymic properties and application for l-aspartic acid production

    Tadashi Sato;Yutaka Nishida;Tetsuya Tosa;Ichiro Chibata

  • Use of Immobilized Cells

    Ichiro Chibata;Tetsuya Tosa

  • Studies on Continuous Enzyme Reactions

    Tetsuya Tosa;Takao Mori;Ichiro Chibata

  • The lipA gene of Serratia marcescens which encodes an extracellular lipase having no N-terminal signal peptide.

    H Akatsuka;E Kawai;K Omori;S Komatsubara

  • Immobilization of Escherichia coli cells having aspartase activity with carrageenan and locust bean gum

    Yutaka Nishida;Tadashi Sato;Tetsuya Tosa;Ichiro Chibata

  • Continuous production of urocanic acid by immobilized Achromobacter liquidum cells

    Kozo Yamamoto;Tadashi Sato;Tetsuya Tosa;Ichiro Chibata

Frequent Co-Authors

Ichiro Chibata
Ichiro Chibata Committee for Vitamin Laboratory Standards

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Related Online Degrees & Career Pathways

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Best Scientists Citing Tetsuya Tosa

Roberto Fernandez-Lafuente

Roberto Fernandez-Lafuente

Spanish National Research Council

Publications: 27

Cesar Mateo

Cesar Mateo

Spanish National Research Council

Publications: 21

Jose M. Guisan

Jose M. Guisan

Spanish National Research Council

Publications: 18

Klaus Mosbach

Klaus Mosbach

Lund University

Publications: 15

José C. S. dos Santos

José C. S. dos Santos

Universidade Federal do Ceará

Publications: 12

Sakayu Shimizu

Sakayu Shimizu

Kyoto University

Publications: 12

Munishwar N. Gupta

Munishwar N. Gupta

Indian Institute of Technology Delhi

Publications: 12

Saburo Fukui

Saburo Fukui

Kyoto University

Publications: 11

Ichiro Chibata

Ichiro Chibata

Committee for Vitamin Laboratory Standards

Publications: 10

Arnold L. Demain

Arnold L. Demain

Drew University

Publications: 10

Atsuo Tanaka

Atsuo Tanaka

Kyoto University

Publications: 10

Per-Olof Larsson

Per-Olof Larsson

Lund University

Publications: 10

Christoph Syldatk

Christoph Syldatk

Karlsruhe Institute of Technology

Publications: 9

Fritz Wagner

Fritz Wagner

Technische Universität Braunschweig

Publications: 8

Jian-He Xu

Jian-He Xu

East China University of Science and Technology

Publications: 8

Bi Shi

Bi Shi

Sichuan University

Publications: 8

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