Koichi Hatada

12.9k total citations · 4 hit papers
365 papers, 10.5k citations indexed

About

Koichi Hatada is a scholar working on Organic Chemistry, Spectroscopy and Polymers and Plastics. According to data from OpenAlex, Koichi Hatada has authored 365 papers receiving a total of 10.5k indexed citations (citations by other indexed papers that have themselves been cited), including 196 papers in Organic Chemistry, 137 papers in Spectroscopy and 77 papers in Polymers and Plastics. Recurrent topics in Koichi Hatada's work include Advanced Polymer Synthesis and Characterization (109 papers), Analytical Chemistry and Chromatography (108 papers) and Organometallic Complex Synthesis and Catalysis (66 papers). Koichi Hatada is often cited by papers focused on Advanced Polymer Synthesis and Characterization (109 papers), Analytical Chemistry and Chromatography (108 papers) and Organometallic Complex Synthesis and Catalysis (66 papers). Koichi Hatada collaborates with scholars based in Japan, United States and Slovakia. Koichi Hatada's co-authors include Yoshio Okamoto, Tatsuki Kitayama, Koichi Ute, Mitsunobu Kawashima, Heimei Yuki, Ryo Aburatani, Eiji Masuda, Otto Vogl, Koji Ohta and Tamaki Nakano and has published in prestigious journals such as Journal of the American Chemical Society, Accounts of Chemical Research and Analytical Chemistry.

In The Last Decade

Koichi Hatada

361 papers receiving 10.2k citations

Hit Papers

Chromatographic resolution 1979 2026 1994 2010 1986 1986 1979 1984 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Chromatographic resolution
    1986 623 citations Yoshio Okamoto, Koichi Hatada et al. profile →
  2. Effects of weak linkages on the thermal and oxidative degradation of poly(methyl methacrylates)
    1986 587 citations Koichi Hatada, Tatsuki Kitayama et al. profile →
  3. Optically active poly(triphenylmethyl methacrylate) with one-handed helical conformation
    1979 429 citations Yoshio Okamoto, Koji Ohta et al. profile →
  4. Chromatographic resolution. 7. Useful chiral packing materials for high-performance liquid chromatographic resolution of enantiomers: phenylcarbamates of polysaccharides coated on silica gel
    1984 420 citations Yoshio Okamoto, Koichi Hatada et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Koichi Hatada 5.2k 4.6k 2.7k 1.8k 1.8k 365 10.5k
Gerhard Wenz 3.6k 0.7× 2.0k 0.4× 1.3k 0.5× 700 0.4× 2.1k 1.2× 136 7.5k
Hirotaka Ihara 2.4k 0.5× 2.5k 0.5× 1.9k 0.7× 629 0.3× 3.1k 1.8× 383 8.0k
Ken D. Shimizu 2.6k 0.5× 2.2k 0.5× 1.2k 0.4× 394 0.2× 2.2k 1.2× 160 7.5k
Kunio Esumi 5.2k 1.0× 747 0.2× 1.5k 0.6× 1.7k 0.9× 4.3k 2.4× 359 10.3k
Michael Buback 9.6k 1.8× 1.5k 0.3× 2.1k 0.8× 2.4k 1.3× 2.5k 1.4× 319 12.0k
В. А. Даванков 2.2k 0.4× 2.8k 0.6× 1.6k 0.6× 500 0.3× 2.7k 1.6× 410 8.0k
Anton L. German 3.0k 0.6× 858 0.2× 845 0.3× 1.1k 0.6× 1.6k 0.9× 211 5.1k
Tatsuki Kitayama 3.2k 0.6× 901 0.2× 878 0.3× 1.5k 0.8× 1.1k 0.6× 211 5.7k
Colin Booth 6.3k 1.2× 930 0.2× 876 0.3× 2.9k 1.6× 3.2k 1.8× 334 9.8k
Tetsuo Osa 2.8k 0.5× 1.8k 0.4× 954 0.4× 748 0.4× 3.4k 1.9× 374 8.7k

Countries citing papers authored by Koichi Hatada

Since Specialization
Citations

This map shows the geographic impact of Koichi Hatada's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Koichi Hatada with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Koichi Hatada more than expected).

Fields of papers citing papers by Koichi Hatada

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Koichi Hatada. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Koichi Hatada. The network helps show where Koichi Hatada may publish in the future.

Co-authorship network of co-authors of Koichi Hatada

This figure shows the co-authorship network connecting the top 25 collaborators of Koichi Hatada. A scholar is included among the top collaborators of Koichi Hatada based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Koichi Hatada. Koichi Hatada is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hatada, Koichi, Tatsuki Kitayama, & Otto Vogl. (1997). Macromolecular design of polymeric materials. M. Dekker eBooks. 166 indexed citations
2.
Hatada, Koichi, Tatsuki Kitayama, Koichi Ute, & Takafumi Nishiura. (1997). Precision Polymerization and Polymers I. Preparation of Stereoregular Uniform Polymer Architectures.. KOBUNSHI RONBUNSHU. 54(10). 661–673. 3 indexed citations
3.
Hatada, Koichi, et al.. (1997). Synthesis and Properties of Stereoregular Polymethacrylates with Azobenzene Moiety as a Photoreactive Side-Chain Mesogenic Group. Journal of Macromolecular Science Part A. 34(7). 1183–1194. 9 indexed citations
4.
Simonsick, William J., C. Michael Garner, Takafumi Nishiura, et al.. (1994). Oriental Lacquer III. Composition of the Urushiol Fraction of the Sap of Rhus verniciflua. Polymer Journal. 26(1). 67–78. 32 indexed citations
5.
Hatada, Koichi. (1989). Tacticity and monomer sequence distribution.. Kobunshi. 38(6). 430–434. 1 indexed citations
6.
Okamoto, Yoshio, et al.. (1986). Syntheses of syndiotactic Poly(methyl methacrylate)s with bulky alkyllithiums.. KOBUNSHI RONBUNSHU. 43(12). 857–861. 32 indexed citations
7.
Hatada, Koichi. (1981). . Kobunshi. 30(9). 696–704. 3 indexed citations
8.
Yuki, Heimei, Yoshio Okamoto, Koji Ohta, & Koichi Hatada. (1975). Reactivity of methacrylates in anionic copolymerization with methyl methacrylate by n‐BuLi. Journal of Polymer Science Polymer Chemistry Edition. 13(5). 1161–1174. 20 indexed citations
9.
Hatada, Koichi. (1973). Reliability in Determination of Stereoregularity of Polymer. Kobunshi. 22(4). 240–248. 1 indexed citations
10.
Hatada, Koichi, et al.. (1971). The Precision and the Accuracy in Determining the Stereoregularity of Poly (methyl methacrylate) by NMR Spectroscopy. Kobunshi Kagaku. 28(312). 293–301. 6 indexed citations
11.
Yuki, Heimei, et al.. (1970). Determination of Equilibrium Constant of Transetherification Reaction of Vinyl Ethers. The Journal of the Society of Chemical Industry Japan. 73(4). 715–718. 1 indexed citations
12.
Hatada, Koichi. (1967). Use of High Resolution NMR in the Chemistry of High Polymer.. Kobunshi. 16(3). 411–417. 1 indexed citations
13.
Murahashi, Shunsuke, et al.. (1967). Polymerization of Methyl methacrylate by Diethyl aluminum diphenylamide. Kobunshi Kagaku. 24(263). 198–202. 15 indexed citations
14.
Murahashi, Shunsuke, et al.. (1967). Polymerization of Methyl methacrylate by Diethyl aluminum diphenylamide. Kobunshi Kagaku. 24(264). 309–317. 18 indexed citations
15.
Murahashi, Shunsuke, Shun‐ichi Nozakura, Masao Sumi, Heimei Yuki, & Koichi Hatada. (1966). A Study on the Stereoregularity of Poly (Vinyl Acetates) by High Resolution NMR. Kobunshi Kagaku. 23(256). 605–612. 34 indexed citations
16.
Tanaka, Atsushi, et al.. (1965). Studies on the Copolymerization of Aldehydes. Kobunshi Kagaku. 22(241). 317–321. 3 indexed citations
17.
Tanaka, Atsushi, et al.. (1965). Studies on the Copolymerization of Aldehydes. Kobunshi Kagaku. 22(240). 216–220. 4 indexed citations
18.
Tanaka, Atsushi, et al.. (1965). Studies on the Copolymerization of Aldehydes. Kobunshi Kagaku. 22(241). 321–326. 2 indexed citations
19.
Tanaka, Atsushi, et al.. (1965). Studies on the Copolymerization of Aldehydes. Kobunshi Kagaku. 22(240). 220–224. 2 indexed citations
20.
Tanaka, Atsushi, et al.. (1963). Studies on the Copolymerization of Aldehydes. Kobunshi Kagaku. 20(223). 694–704. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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