World's Best Scientists 2026 revealed!
Koichi Hatada

Koichi Hatada

D-Index & Metrics

Chemistry

D-Index
60
Citations
14568
World Ranking
9610
National Ranking
684

Koichi Hatada 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 Koichi Hatada 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: 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 publications 1,295+

This scientist: 421 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Koichi Hatada 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 Koichi Hatada 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: 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 D-Index 159+

This scientist: 60 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Koichi Hatada is affiliated with Osaka University in Japan. Their academic profile currently includes a focus on research without publicly listed recent papers, frequent co-authors, or publication venues. Details on their contributions to specific fields and subfields of study, as well as topics of research, have not been disclosed.

There is no available data on published books or awards received by Koichi Hatada at this time.

This profile is based on the data provided, reflecting the current state of publicly available information on Koichi Hatada's academic and research activities.

Best Publications

  • Effects of weak linkages on the thermal and oxidative degradation of poly(methyl methacrylates)

    Takashi Kashiwagi;Atsushi Inaba;James E. Brown;Koichi Hatada

  • Optically active poly(triphenylmethyl methacrylate) with one-handed helical conformation

    Yoshio Okamoto;Koichi Suzuki;Koji Ohta;Koichi Hatada

  • Chromatographic resolution. 7. Useful chiral packing materials for high-performance liquid chromatographic resolution of enantiomers: phenylcarbamates of polysaccharides coated on silica gel

    Unknown

  • Stereoregular polymerization of α-substituted acrylates

    Koichi Hatada;Tatsuki Kitayama;Koichi Ute

  • Asymmetric polymerization of triphenylmethyl methacrylate leading to a one-handed helical polymer: mechanism of polymerization

    Tamaki Nakano;Yoshio Okamoto;Koichi Hatada

  • Living and Highly Isotactic Polymerization of Methyl Methacrylate by t-C4H9MgBr in Toluene

    Koichi Hatada;Koichi Ute;Katsuji Tanaka;Yoshio Okamoto

  • USEFUL CHIRAL PACKING MATERIALS FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHIC RESOLUTION. CELLULOSE TRIACETATE AND TRIBENZOATE COATED ON MACROPOROUS SILICA GEL

    Yoshio Okamoto;Mitsunobu Kawashima;Koji Yamamoto;Koichi Hatada

  • Living and highly syndiotactic polymerization of methyl methacrylate and other methacrylates by tert‐butyllithiumtrialkylaluminium in toluene

    Tatsuki Kitayama;Tetsunori Shinozaki;Takashi Sakamoto;Masanori Yamamoto

  • Chiral Stationary Phases for HPLC: Cellulose Tris(3,5-dimethylphenylcarbamate) and Tris(3,5-dichlorophenylcarbamate) Chemically Bonded to Silica Gel∗

    Yoshio Okamoto;Ryo Aburatani;Shin-Ichi Miura;Koichi Hatada

  • Resolution of Enantiomers by HPLC on Optically Active Poly(triphenylmethyl Methacrylate)

    Yoshio Okamoto;Koichi Hatada

  • Preparation of Highly Isotactic Poly(methyl methacrylate) of Low Polydispersity

    Koichi Hatada;Koichi Ute;Katsuji Tanaka;Tatsuki Kitayama

  • Macromolecular design of polymeric materials

    Koichi Hatada;Tatsuki Kitayama;Otto Vogl

  • Optical resolution of dihydropyridine enantiomers by high-performance liquid chromatography using phenylcarbamates of polysaccharides as a chiral stationary phase

    Yoshio Okamoto;Ryo Aburatani;Koichi Hatada;Mikiko Honda

  • Optical Resolution of β-Blockers by HPLC on Cellulose Triphenylcarbamate Derivatives

    Yoshio Okamoto;Mitsunobu Kawashima;Ryo Aburatani;Koichi Hatada

  • Highly syndiotactic poly(methyl methacrylate) with narrow molecular weight distribution formed by tert-butyllithium-trialkylaluminium in toluene

    Tatsuki Kitayama;Tetsunori Shinozaki;Eiji Masuda;Masanori Yamamoto

  • Stereospecific Polymerization of Trityl, Diphenylmethyl and Benzyl Methacrylates

    Heimei Yuki;Koichi Hatada;Toshikazu Niinomi;Yukio Kikuchi

  • Haloaldehyde polymers. 51. Helix-sense reversal of isotactic chloral oligomers in solution

    Koichi Ute;Katsuo Hirose;Hiroaki Kashimoto;Koichi Hatada

  • CHROMATOGRAPHIC RESOLUTION. 7. USEFUL CHIRAL PACKING MATERIALS FOR HIGH‐PERFORMANCE LIQUID CHROMATOGRAPHIC RESOLUTION OF ENANTIOMERS: PHENYLCARBAMATES OF POLYSACCHARIDES COATED ON SILICA GEL

    Unknown

  • Stereospecific polymerization of alpha-substituted acrylic acid esters polymerization

    Heimei Yuki;Koichi Hatada

  • Glass transition temperature and melting temperature of uniform isotactic and syndiotactic poly(methyl methacrylate)s from 13mer to 50mer

    Unknown

  • Synthesis and properties of poly(ether ether ketone)-poly(ether sulfone) block copolymers

    Junkui Cao;Wencheng Su;Zhongwen Wu;Tatsuki Kitayama

  • The fundamentals of applying electrospray ionization mass spectrometry to low mass poly(methyl methacrylate) polymers.

    Charles N. McEwen;William J. Simonsick;Barbara S. Larsen;Kaichi Ute

  • NMR Measurement of Identical Polymer Samples by Round Robin Method I. Reliability of Chemical Shift and Signal Intensity Measurements

    Riichiro Chûjô;Koichi Hatada;Ryozo Kitamaru;Tatsuki Kitayama

Frequent Co-Authors

Tatsuki Kitayama
Tatsuki Kitayama Osaka University
Yoshio Okamoto
Yoshio Okamoto Nagoya University
Eiji Yashima
Eiji Yashima Nagoya University
Mikiharu Kamachi
Mikiharu Kamachi Osaka University
Koji Ohta
Koji Ohta National Institute of Advanced Industrial Science and Technology
Robert W. Lenz
Robert W. Lenz University of Massachusetts Amherst
Masamichi Kobayashi
Masamichi Kobayashi Osaka University
Hirotaka Ihara
Hirotaka Ihara Kumamoto University
Shiro Kobayashi
Shiro Kobayashi Kyoto University
Andrew K. Whittaker
Andrew K. Whittaker University of Queensland

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