KI

Keiji Ishibashi

EI Eisai: 3 patents #14 of 180Top 8%
📍 Ibaraki, JP: #28 of 586 inventorsTop 5%
Overall (1997): #14,204 of 185,788Top 8%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5607953 Butenoic or propenoic acid derivative Norio Minami, Fumihiro Ozaki, Yasuhiro Kabasawa, Megumi Ikemori, Toshiaki Ogawa +1 more 1997-03-04
5605907 Cyclohexane derivatives Yasuhiro Kabasawa, Fumihiro Ozaki, Takashi Hasegawa, Hitoshi Oinuma, Manabu Shirato +4 more 1997-02-25
5606061 Thioformamide derivatives Yasuhiro Kabasawa, Fumihiro Ozaki, Takashi Hasegawa, Hitoshi Oinuma, Toshiaki Ogawa +6 more 1997-02-25