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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 63 8665 590 234 9957

Tsuneo Namba publications per year

The chart shows the history of publications by Tsuneo Namba between 1958 and 2010, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tsuneo Namba published across 53 years, from 1958 to 2010, averaging 5.5 papers a year. Output peaked at 25 publications in 1996. 2 of the 289 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1958 to 2010. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 1996. 1958: 1 publication 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 1 publication 1972: 1 publication 1973: 2 publications 1974: 3 publications 1975: 1 publication 1976: 1 publication 1977: 3 publications 1978: 0 publications 1979: 0 publications 1980: 1 publication 1981: 6 publications 1982: 11 publications 1983: 7 publications 1984: 8 publications 1985: 10 publications 1986: 5 publications 1987: 10 publications 1988: 18 publications 1989: 9 publications 1990: 13 publications 1991: 13 publications 1992: 15 publications 1993: 18 publications 1994: 17 publications 1995: 19 publications 1996: 25 publications 1997: 22 publications 1998: 19 publications 1999: 12 publications 2000: 8 publications 2001: 1 publication 2002: 1 publication 2003: 1 publication 2004: 1 publication 2005: 2 publications 2006: 1 publication 2007: 0 publications 2008: 1 publication 2009: 1 publication 2010: 1 publication
1958 2010

289 publications in total across all disciplines

View publications per year as a table
Tsuneo Namba: publications per year, 1958 to 2010
Year Publications
1958 1
1959 0
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 1
1972 1
1973 2
1974 3
1975 1
1976 1
1977 3
1978 0
1979 0
1980 1
1981 6
1982 11
1983 7
1984 8
1985 10
1986 5
1987 10
1988 18
1989 9
1990 13
1991 13
1992 15
1993 18
1994 17
1995 19
1996 25
1997 22
1998 19
1999 12
2000 8
2001 1
2002 1
2003 1
2004 1
2005 2
2006 1
2007 0
2008 1
2009 1
2010 1
Total 289
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Tsuneo Namba 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 Tsuneo Namba 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, 221–240 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: 234 publications — 44th percentile

44% 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 1,216 234
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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Tsuneo Namba 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 Tsuneo Namba 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, 62–63 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: 63 D-Index — 54th percentile

54% 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 63
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

Tsuneo Namba is affiliated with the University of Toyama in Japan. Their research contributions span significant areas within Neuroscience and Biochemistry, Genetics and Molecular Biology, with a focus on molecular and developmental aspects of brain function and neurodevelopment.

Their work primarily addresses topics such as:

  • Neurogenesis and neuroplasticity mechanisms
  • Epigenetics and DNA Methylation
  • Mitochondrial Function and Pathology
  • Genetics and Neurodevelopmental Disorders
  • Axon Guidance and Neuronal Signaling
  • Neuroscience and Neuropharmacology Research
  • Pluripotent Stem Cells Research

The scientist's research is distributed across several subfields, including:

  • Molecular Biology
  • Developmental Neuroscience
  • Cellular and Molecular Neuroscience
  • Genetics
  • Cognitive Neuroscience

Frequent publication venues of Tsuneo Namba consist of:

  • Neuron
  • The EMBO Journal
  • The Journal of Comparative Neurology
  • The Proceedings of Mechanical Engineering Congress Japan
  • Science

Among their recent papers are:

  • "Human TKTL1 implies greater neurogenesis in frontal neocortex of modern humans than Neanderthals," 2022, Science
  • "Metabolic Regulation of Neocortical Expansion in Development and Evolution," 2020, Neuron
  • "Beyond Axon Guidance: Roles of Slit-Robo Signaling in Neocortical Formation," 2020, Frontiers in Cell and Developmental Biology
  • "Expression of human-specific ARHGAP11B in mice leads to neocortex expansion and increased memory flexibility," 2021, The EMBO Journal
  • "Lamin B1 decline underlies age-related loss of adult hippocampal neurogenesis," 2020, The EMBO Journal

The scientist has collaborated frequently with peers such as Wieland Β. Huttner, Lei Xing, Nereo Kalebic, Jula Peters, and Michael Heide. Wieland Β. Huttner is the most frequent coauthor, with 13 collaborations.

Best Publications

  • Mechanism of antihepatotoxic activity of glycyrrhizin. I: Effect on free radical generation and lipid peroxidation.

    Yoshinobu Kiso;Masahiro Tohkin;Hiroshi Hikino;Masao Hattori

  • Four Di-O-caffeoyl Quinic Acid Derivatives from Propolis. Potent Hepatoprotective Activity in Experimental Liver Injury Models

    Purusotam Basnet;Katsumichi Matsushige;Koji Hase;Shigetoshi Kadota

  • Inhibitory effects of Egyptian folk medicines on human immunodeficiency virus (HIV) reverse transcriptase

    Sahar El-Mekkawy;Meselhy R. Meselhy;Ines Tomoco Kusumoto;Shigetoshi Kadota

  • Effect of tea polyphenols on glucan synthesis by glucosyltransferase from Streptococcus mutans

    Masao Hattori;Ines Tomoco Kusumoto;Tsuneo Namba;Tadashi Ishigami

  • Antioxidative Effects of Phenylethanoids from Cistanche deserticola.

    Unknown

  • Active-oxygen scavenging activity of traditional nourishing-tonic herbal medicines and active constituents of Rhodiola sacra.

    Mizue Ohsugi;Wenzhe Fan;Koji Hase;Quanbo Xiong

  • Two new 2-arylbenzofuran derivatives from hypoglycemic activity-bearing fractions of Morus insignis

    Purusotam Basnet;Shigetoshi Kadota;Satoshi Terashima;Mineo Shimizu

  • Hepatoprotective Effect of Hovenia dulcis THUNB. on Experimental Liver Injuries Induced by Carbon Tetrachloride or D-Galactosamine : Lipopolysaccharide

    Koji Hase;Mizue Ohsugi;Quanbo Xiong;Purusotam Basnet

  • Hepatoprotective activity of phenylethanoids from Cistanche deserticola

    Quanbo Xiong;Koji Hase;Yasuhiro Tezuka;Tadato Tani

  • Metabolism of glycyrrhizin by human intestinal flora.

    Masao Hattori;Tatsuya Sakamoto;Kyoichi Kobashi;Tsuneo Namba

  • Acteoside inhibits apoptosis in D-galactosamine and lipopolysaccharide-induced liver injury.

    Quanbo Xiong;Koji Hase;Yasuhiro Tezuka;Tsuneo Namba

  • Two New Quinochalcone Yellow Pigments from Carthamus tinctorius and Ca2+ Antagonistic Activity of Tinctormine

    Meselhy R. Meselhy;Shigetoshi Kadota;Yasunori Momose;Noboru Hatakeyama

  • Anti-herpes simplex virus activity of moronic acid purified from Rhus javanica in vitro and in vivo.

    Masahiko Kurokawa;Purusotam Basnet;Mizue Ohsugi;Toyoharu Hozumi

  • Inhibition of nitric oxide by phenylethanoids in activated macrophages.

    Quanbo Xiong;Yasuhiro Tezuka;Takuji Kaneko;Huiying Li

  • Constituents of Roots of Salvia deserta SCHANG. (Xinjiang-Danshen)

    Yasuhiro Tezuka;Rena Kasimu;Jian Xin Li;Purusotam Basnet

  • Hepatoprotective effect of Apocynum venetum and its active constituents.

    Quangbo Xiong;Wenzhe Fan;Yasuhiro Tezuka;I. Ketut Adnyana

  • Obovatol and Obovatal, Novel Biphenyl Ether Lignans from the Leaves of Magnolia obovata THUNB.

    Kazuo Ito;Toshiyuki Iida;Kazuhiko Ichino;Masa Tsunezuka

  • Comparative study of seventeen Salvia plants: aldose reductase inhibitory activity of water and MeOH extracts and liquid chromatography-mass spectrometry (LC-MS) analysis of water extracts.

    Rena Kasimu;Ken Tanaka;Yasuhiro Tezuka;Zhu-Nan Gong

  • Bellidifolin: A Potent Hypoglycemic Agent in Streptozotocin (STZ)-Induced Diabetic Rats from Swertia japonica

    Purusotam Basnet;Shigetoshi Kadota;Mineo Shimizu;Tsuneo Namba

  • A new flavanone isolated from rhizoma smilacis glabrae and the structural requirements of its derivatives for preventing immunological hepatocyte damage.

    Ting Chen;Jianxin Li;Jingsong Cao;Qiang Xu

  • Hepatoprotective effects of emodin from Ventilago leiocarpa

    Chun-Ching Lin;Cheng-Hsiung Chang;Jenq-Jer Yang;Tsuneo Namba

  • Inhibitory effect of tannins on reverse transcriptase from RNA tumor virus.

    Nobuko Kakiuchi;Masao Hattori;Tsuneo Namba;Makoto Nishizawa

Frequent Co-Authors

Masao Hattori
Masao Hattori University of Toyama
Shigetoshi Kadota
Shigetoshi Kadota University of Toyama
Yasuhiro Tezuka
Yasuhiro Tezuka Hokuriku University
Koji Hase
Koji Hase Keio University
Kimiyasu Shiraki
Kimiyasu Shiraki University of Toyama
Takako Yokozawa
Takako Yokozawa University of Toyama
Ken Tanaka
Ken Tanaka Tokyo Institute of Technology
Hong-Xi Xu
Hong-Xi Xu Shanghai University
Haruhisa Kizu
Haruhisa Kizu Hokuriku University
Yasuyuki Nomura
Yasuyuki Nomura Kurume University

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