IW

Isao Watanabe

TC Toyama Chemical Co.: 4 patents #65 of 270Top 25%
📍 Toyama, JP: #533 of 1,699 inventorsTop 35%
Overall (All Time): #1,301,886 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4948796 Piperazine derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredient Toru Hiraiwa, Kenji Takeda, Joji Nakano, Mineichi Sudani, Kunikazu Furuhata +2 more 1990-08-14
4731370 Pyridyl ester containing 1,4-dihydropyridine derivatives and salts thereof and pharmaceutical composition containing the same Kaishu Momonoi, Toru Hiraiwa, Satoshi Ono, Joji Nakano, Katsuyuki Nagumo +1 more 1988-03-15
4713387 Vasodilating and platelet aggregation inhibiting 1,4 dihydropyridines with an imidazolyl or pyridyl containing ester Kaishu Momonoi, Toru Hiraiwa, Satoshi Ono, Joji Nakano, Katsuyuki Nagumo +1 more 1987-12-15
4230719 Novel 2-[4-(3-methyl-2-thienyl)phenyl]propionic acid and pharmaceutically acceptable salt thereof and method for treating symptoms of inflammation and pain Tsutomu Kodama, Masao Nakabayashi, Hiroshi Hirano, Norio Abe, Katsufumi Tanaka +1 more 1980-10-28