KT

Keizo Tanikawa

NI Nissan Chemical Industries: 26 patents #17 of 1,150Top 2%
GC Green Cross: 1 patents #289 of 527Top 55%
Overall (All Time): #156,399 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
6677371 4-oxybenzopyran derivative Kazuhiko Ohrai, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2004-01-13
6589983 Benzopyran derivative Kazuhiko Ohrai, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2003-07-08
6555574 4-oxybenzopyran derivative Kazuhiko Ohrai, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2003-04-29
6486178 Indane derivatives Kazuhiko Ohrai, Masayuki Sato, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Yamashita 2002-11-26
6114369 Benzimidazole compound Yoshimasa Kamikawaji, Mitsuaki Hirotsuka, Takehisa Iwama, Akiko YAMAMOTO, Yoichiro Fujita 2000-09-05
6066631 Chroman derivatives Kazuhiko Ohrai, Masayuki Sato, Toru Yamashita, Kazufumi Yanagihara 2000-05-23
5968967 Pyrazolones derivatives Takashi Matsumoto, Masumi Nakamura, Yasunori Asada, Norimasa Shudo 1999-10-19
5939045 Organic bismuth derivatives for X-ray imaging Hitomi Suzuki, Katsuaki Miyaji, Nobuhiro Suzuki 1999-08-17
5929074 Pyridazinone derivatives with pharmaceutical activity Akira Saito, Mitsuaki Hirotsuka, Ken-ichi Shikada 1999-07-27
5856327 Pyridazinone derivatives Takashi Matsumoto, Hiroo Matsumoto, Nobutomo Tsuruzoe, Hitoshi Nakabeppu 1999-01-05
5846991 Pyrazole derivatives Yoshimasa Kamikawaji, Keisuke Odoi, Tsutomu Higashiyama, Masayuki Sato, Yukinori Masuda 1998-12-08
5840909 Pyrazole derivatives Yoshimasa Kamikawaji, Keisuke Odoi, Tsutomu Higashiyama, Masayuki Sato, Yukinori Masuda 1998-11-24
5817828 Pyrazole derivatives Yoshimasa Kamikawaji, Keisuke Odoi, Tsutomu Higashiyama, Masayuki Sato, Yukinori Masuda 1998-10-06
5798357 Agent for prophylaxis and treatment of thromboxane A.sub.2 -mediated diseases Ruriko Ikegawa, Teruaki Imada, Norifumi Nakamura, Nobutomo Tsuruzoe 1998-08-25
5750523 Pyridazinone derivatives Takashi Matsumoto, Hiroo Matsumoto, Nobutomo Tsuruzoe, Hitoshi Nakabeppu 1998-05-12
5730953 Tris(substituted phenyl) bismuth derivatives Hitomi Suzuki, Koichi Maeda, Katsuaki Miyaji 1998-03-24
5728702 Pyridazinone derivatives with pharmaceutical activity Akira Saito, Mitsuaki Hirotsuka, Ken-ichi Shikada 1998-03-17
5721264 Pyrazole derivatives Yoshimasa Kamikawaji, Keisuke Odoi, Tsutomu Higashiyama, Masayuki Sato, Yukinori Masuda 1998-02-24
5318968 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Nobutomo Tsuruzoe, Ken-ichi Shikada 1994-06-07
5314883 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Nobutomo Tsuruzoe, Ken-ichi Shikada 1994-05-24
5202323 5-arylmethylamino-6-oxy-substituted 3(2H)-pyridazinones Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Nobutomo Tsuruzoe, Ken-ichi Shikada 1993-04-13
5098900 3(2H)pyridazinone, process for its preparation and anti-allergic agent containing it Motoo Mutsukado, Ken-ichi Shikada, Ryozo Sakoda 1992-03-24
5011839 3(2H)pyridazinones for antagonistic agent against srs-a Ryozo Saloda, Sakuya Tanaka, Kenichi Shikada 1991-04-30
4978665 3(2H)pyridazinone, and antagonistic agent against SRS-A containing it Ryozo Sakoda, Ken-ichi Shikada, Sakuya Tanaka 1990-12-18
4892947 3(2H)Pyridazinone, process for its preparation and anti-allergic agent containing it Motoo Mutsukado, Ken-ichi Shikada, Ryozo Sakoda 1990-01-09