CK

Chikara Kaneko

CH Chisso: 4 patents #208 of 833Top 25%
KC Kuraray Co.: 4 patents #386 of 1,827Top 25%
CP Chugai Pharmaceutical: 1 patents #730 of 1,238Top 60%
EI Eisai: 1 patents #611 of 998Top 65%
NK Nippon Kayaku: 1 patents #556 of 1,103Top 55%
📍 Kanazawa, JP: #27 of 503 inventorsTop 6%
Overall (All Time): #472,364 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6482957 Cyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative used therein Nobuya Katagiri, Junko Sato, Masahiro Torihara, Koichi Kanehira, Yoshin Tamai 2002-11-19
6452004 Cyclopentenecarboxamide derivative, method for preparing the same bicycloamide derivative used therein Nobuya Katagiri, Junko Sato, Masahiro Torihara, Koichi Kanehira, Yoshin Tamai 2002-09-17
6127539 Cyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative used therein Nobuya Katagiri, Junko Sato, Masahiro Torihara, Koichi Kanehira, Yoshin Tamai 2000-10-03
5817812 Cyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative used therein Nobuya Katagiri, Junko Sato, Masahiro Torihara, Koichi Kanehira, Yoshin Tamai 1998-10-06
5292891 Optically active 2,2-dimethyl-1,3-dioxin-4-ones and method for preparing same and method for preparing optically active compound for synthesis of physiologically active substance and optically active intermediate compound Masayuki Sato 1994-03-08
5256800 Optically active 2,2-dimethyl-1,3-dioxin-4-ones and method for preparing same Masayuki Sato 1993-10-26
5202459 Process for producing cyclobutane derivative Nobuya Katagiri 1993-04-13
4754029 3-oxo-2-azabicyclohexane derivatives Masayuki Sato, Nobuya Katagiri 1988-06-28
4672132 Process for producing an aldehydelactone Masayuki Sato 1987-06-09
4612379 Process for producing 1,3-dioxin-4-one derivatives Masayuki Sato, Hiromichi Ogasawara 1986-09-16
4225524 Steroid derivatives and process for preparing the same Kiyoshige Ochi, Isao Matsunaga, Minoru Shindo 1980-09-30