KI

Koichi Ito

EC Eisai R&D Management Co.: 21 patents #7 of 817Top 1%
SC Shin-Etsu Chemical Co.: 10 patents #415 of 2,176Top 20%
EI Eisai: 4 patents #282 of 998Top 30%
SC Sanwa Kagaku Kenkyusho Co.: 2 patents #66 of 223Top 30%
📍 Tsukuba, JP: #59 of 2,818 inventorsTop 3%
Overall (All Time): #98,983 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4864003 Block-graft polymer and process for producing it Teruo Fujimoto, Mikio Shiono, Osamu Watanabe 1989-09-05
4803243 Block-graft copolymer Teruo Fujimoto, Mikio Shiono, Osamu Watanabe 1989-02-07
4778797 Organo-silicon compounds, process for the manufacture of same, and anti-tumor agent comprising the compound Shigeshi Toyoshima, Masayasu Kurono, Ryoichi Unno, Hiromoto Kimura 1988-10-18
4731424 Process for producing polymer compound containing alkenylsilyl group Teruo Fujimoto, Mikio Shiono, Osamu Watanabe 1988-03-15
4560679 Organosilicon compounds and antitumor agents containing the compound as effective component Shigeshi Toyoshima, Masayasu Kurono, Ryoichi Unno 1985-12-24
4349682 2-(3-Trimethylsilylpropyl)benzothiazole Shigeshi Toyoshima, Ryuichi Sato, Toshio Shinohara, Yasushi Yamamoto 1982-09-14
4336251 Medicaments containing an organosilicon compound Shigeshi Toyoshima, Ryuichi Sato, Toshio Shinohara, Yasushi Yamamoto, Shoji Ichinohe 1982-06-22
4328216 Novel organosilicon compounds and anti-tumor agents containing the same Shigeshi Toyoshima, Ryuichi Sato, Toshio Shinohara, Yasushi Yamamoto, Shoji Ichinohe 1982-05-04
4278666 Novel organosilicon compounds and anti-transplanted tumor agents containing the same Shigeshi Toyoshima, Ryuichi Sato, Toshio Shinohara, Yasushi Yamamoto 1981-07-14
4267172 Bis(triorganosilylalkyl) phosphites Shigeshi Toyoshima, Ryuichi Sato, Toshio Shinohara, Masatoshi Arai 1981-05-12