KO

Kazuhiko Ohrai

NI Nissan Chemical Industries: 14 patents #69 of 1,150Top 6%
CP Chugai Pharmaceutical: 1 patents #730 of 1,238Top 60%
📍 Funabashi, JP: #84 of 1,104 inventorsTop 8%
Overall (All Time): #353,960 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7964623 Tricyclic benzopyrane compound Yukohiro Shigeta, Osamu Uesugi, Takumi Okada, Tomoyuki Matsuda 2011-06-21
7879887 α-amino acid derivatives and medicaments containing the same as an active ingredient Michiaki Adachi, Koji Toyama, Takanori Shimizu, Keishi Hayashi, Masataka Minami +10 more 2011-02-01
7652008 Tricyclic benzopyran compound as anti-arrhythmic agents Yukohiro Shigeta, Osamu Uesugi, Takumi Okada, Tomoyuki Matsuda 2010-01-26
7041700 Substituted benzopyran derivatives against arrhythmia Yoshio Ohara, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2006-05-09
6809114 4-aminobenzopyran derivatives Yoshio Ohara, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2004-10-26
6677371 4-oxybenzopyran derivative Keizo Tanikawa, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2004-01-13
6589983 Benzopyran derivative Keizo Tanikawa, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2003-07-08
6555574 4-oxybenzopyran derivative Keizo Tanikawa, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Tsukagoshi, Toru Yamashita 2003-04-29
6486178 Indane derivatives Keizo Tanikawa, Masayuki Sato, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Yamashita 2002-11-26
6066631 Chroman derivatives Keizo Tanikawa, Masayuki Sato, Toru Yamashita, Kazufumi Yanagihara 2000-05-23
5919806 Medicines for cardiac insufficiency Kiyotomo Seto, Hiroo Matsumoto, Yoshimasa Kamikawaji, Toru Yamashita, Yukinori Masuda 1999-07-06
5880301 Optically active bidentate phosphine ligand palladium complex Masakatsu Shibasaki, Mikiko Sodeoka 1999-03-09
5272271 Pyranobenzoxadiazole derivatives Kiyotomo Seto, Hiroo Matsumoto, Yoshimasa Kamikawaji, Keisuke Ohdoi, Ryozo Sakoda +1 more 1993-12-21
4900752 Pyranobenzoxadiazole derivatives Kiyotomo Seto, Hiroo Matsumoto, Yoshimasa Kamikawaji, Kyoko Nakayama, Ryozo Sakoda +1 more 1990-02-13