World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
47
Citations
6502
World Ranking
15795
National Ranking
3955

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.

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: 644 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: 253 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 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.

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.

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: 776 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 647 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 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.

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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