Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508403 | Phosphorus pyridine compound | Shin-ichi Akiyama, Kiyotomo Seto, Norimasa Shudo | 1996-04-16 |
| 5318968 | 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Nobutomo Tsuruzoe, Ken-ichi Shikada | 1994-06-07 |
| 5319089 | Process for the optical resolution of pyranobenzoxadiazole compounds | Hiroo Matsumoto, Kiyotomo Seto | 1994-06-07 |
| 5314883 | 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Nobutomo Tsuruzoe, Ken-ichi Shikada | 1994-05-24 |
| 5304550 | Drug effect-enhancing agent for antitumor drug | Shin-ichi Akiyama, Kiyotomo Seto, Norimasa Shudo | 1994-04-19 |
| 5272271 | Pyranobenzoxadiazole derivatives | Kiyotomo Seto, Hiroo Matsumoto, Yoshimasa Kamikawaji, Kazuhiko Ohrai, Keisuke Ohdoi +1 more | 1993-12-21 |
| 5202323 | 5-arylmethylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Nobutomo Tsuruzoe, Ken-ichi Shikada | 1993-04-13 |
| 5177237 | Hydrazine derivatives useful as intermediates in the synthesis of hypotensive agents | Hiroo Matsumoto, Kiyotomo Seto | 1993-01-05 |
| 5130303 | Drug effect-enhancing agent for antitumor drug | Shin-ichi Akiyama, Kiyotomo Seto, Norimasa Shudo | 1992-07-14 |
| 5100702 | Thin platinum film-forming composition | Koichi Maeda, Hideki Takamatsu | 1992-03-31 |
| 5098900 | 3(2H)pyridazinone, process for its preparation and anti-allergic agent containing it | Motoo Mutsukado, Keizo Tanikawa, Ken-ichi Shikada | 1992-03-24 |
| 5097037 | Process for the optical resolution of pyranobenzoxadiazole compounds | Hiroo Matsumoto, Kiyotomo Seto | 1992-03-17 |
| 4978665 | 3(2H)pyridazinone, and antagonistic agent against SRS-A containing it | Keizo Tanikawa, Ken-ichi Shikada, Sakuya Tanaka | 1990-12-18 |
| 4900752 | Pyranobenzoxadiazole derivatives | Kiyotomo Seto, Hiroo Matsumoto, Yoshimasa Kamikawaji, Kazuhiko Ohrai, Kyoko Nakayama +1 more | 1990-02-13 |
| 4892947 | 3(2H)Pyridazinone, process for its preparation and anti-allergic agent containing it | Motoo Mutsukado, Keizo Tanikawa, Ken-ichi Shikada | 1990-01-09 |
| 4885284 | Dihydropyridine-5-phosphonic acid cyclic propylene ester | Kiyotomo Seto, Sakuya Tanaka | 1989-12-05 |
| 4879400 | Process for producing alpha-(benzylidene)acetonylphosphonates | Kiyotomo Seto, Hiroo Matsumoto | 1989-11-07 |
| 4843076 | Dihydropyridine-5-phosphonic acid cyclic ester | Kiyotomo Seto, Hiroo Matsumoto, Yoshimasa Kamikawaji, Sakuya Tanaka | 1989-06-27 |
| 4839361 | Dihydropyridine-5-phosphonic acid cyclic propylene ester | Kiyotomo Seto, Sakuya Tanaka | 1989-06-13 |
| 4783462 | 3(2H)pyridazinone, and anti-allergic agent containing it | Motoo Mutsukado, Keizo Tanikawa, Ken-ichi Shikada | 1988-11-08 |
| 4719209 | Antiatherosclerotic agent compositions | Tadashi Sasaki, Yoshihiro Fujikawa, Mitsuaki Sakashita, Morihide Hibi | 1988-01-12 |
| 4624950 | Method for treating atherosclerosis hyperlipidema, lipid deposition on arterial walls, or raising the ratio of high density lipoprotein cholesterol to total cholesterol in serum | Tadashi Sasaki, Yoshihiro Fujikawa, Mitsuaki Sakashita, Morihide Hibi | 1986-11-25 |
| 4576934 | Antihypertensive dihydropyridine-5-phosphonic acid cyclic esters | Kiyotomo Seto, Sakuya Tanaka | 1986-03-18 |
| 4242522 | O-(N-Allyl-2,6-dichloroanilino)phenylacetic acid derivative and a process for preparing the same | Genichi Tsuchihashi, Katsuyuki Ogura, Isao Hashiba, Shuichi Fukushima | 1980-12-30 |
| 4189595 | [N-benzyl-o-(2,6-dichloroanilino)phenyl]acetic acid derivatives | Kazuo Nagano, Yumiko Ando, Genichi Tsuchihashi, Katsuyuki Ogura | 1980-02-19 |