AI

Akihiko Ishida

TC Tanabe Seiyaku Co.: 6 patents #44 of 389Top 15%
Overall (All Time): #887,478 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5808065 Pyridazinone derivatives and processes for preparing the same Harutami Yamada, Michihisa Yato, Shinsuke Nishiyama, Fumikazu Okumura 1998-09-15
5739132 Pyridazinone derivatives and processes for preparing the same Koichi Homma, Harumichi Kono, Koji Tamura, Yasuhiko Sasaki 1998-04-14
5698554 Pyridazinone derivatives and processes for preparing the same Harutami Yamada, Michihisa Yato, Shinsuke Nishiyama, Fumikazu Okumura 1997-12-16
5686452 Indane derivative and processes for preparing the same Koichi Homma, Michihisa Yato, Shinsuke Nishiyama, Fumikazu Okumura 1997-11-11
5605901 Indane derivatives, processes for preparing the same and synthetic intermediate of the same Koichi Homma, Michihisa Yato, Shinsuke Nishiyama, Fumikazu Okumura 1997-02-25
5543409 Indane derivatives for treating endotoxin shock and/or nephritis Koichi Homma, Michihisa Yato, Shinsuke Nishiyama, Fumikazu Okumura 1996-08-06