OS

Osamu Sakuma

TK Tobishi Yakuhin Kogyo Kabushiki Kaisha: 3 patents #1 of 17Top 6%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Oshima, JP: #237 of 1,090 inventorsTop 25%
Overall (All Time): #1,058,931 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5245034 Compound having vessel smooth muscle relaxation activity Hiroyoshi Hidaka, Tomohiko Ishikawa, Masatoshi Hagiwara, Tsutomu Inoue, Kenji Naitoh +5 more 1993-09-14
5216150 Derivatives of isoquinoline (and naphthalene) sulfonamides Hiroyoshi Hidaka, Tomohiko Ishikawa, Masatoshi Hagiwara, Tsutomu Inoue, Kenji Naitoh +5 more 1993-06-01
5093370 Quaternary ammonium compounds having muscle relaxation activity Masayasu Kimura, Kenji Naito, Tadashi Morita 1992-03-03
5081246 Compound having vessel smooth muscle relaxation activity Horoyoshi Hidaka, Tomohiko Ishikawa, Masatoshi Hagiwara, Tsutomu Inoue, Kenji Naitoh +5 more 1992-01-14
5059692 Novel compounds exhibiting a vasodilating activity and inhibitory activity for platelet aggregation Hiroyoshi Hidaka, Tomohiko Ishikawa, Tsutomu Inoue, Masayuki Yuasa, Takashi Inaba +3 more 1991-10-22