Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255339 | Tetrahydronaphthofuranone derivatives and process for producing the same | Kenichi Kurihara, Rie Shinei, Kiyoshi Tanabe, Yasuo Yamamoto, Keiichi Ajito +4 more | 2001-07-03 |
| 6077840 | Tetrahydrobenzindolone derivatives | Kenichi Kurihara, Rie Shinei, Yasushi Kurata, Yuji Tabata, Kiyoshi Tanabe | 2000-06-20 |
| 6043217 | Amide derivative of amythiamicin | Yasuhiko Muraoka, Hironobu Iinuma, Tomio Takeuchi | 2000-03-28 |
| 5602106 | 16-membered macrolide derivatives | Keiichi Ajito, Osamu Hara, Ken-ichi Kurihara, Nobue Kikuchi, Minako Araake +3 more | 1997-02-11 |
| 5547978 | Derivatives of pyrrolidin-2-ylcarbonylheterocyclic compounds | Burton G. Christensen, Takashi Egawa, Yasuyuki Ichimaru, Shokichi Ohuchi, Arthur A. Patchett +2 more | 1996-08-20 |
| 5334723 | 2-piperidinecarboxylic acid derivative, oncogene suppressor and agent for obtaining revertants | Osamu Makabe, Yuichi Yamamoto, Osamu Itoh, Tsutomu Tsuruoka, Takayuki Usui +5 more | 1994-08-02 |
| 5332731 | Cephalosporin derivatives | Yuichi Yamamoto, Seiji Shibahara, Shigeharu Inoue | 1994-07-26 |
| 5294705 | Process for the preparation of a 3-substituted thio-3-cephem compound | Yuichi Yamamoto, Seiji Shibahara, Shigeharu Inoue | 1994-03-15 |
| 4970305 | Crystalline dihydrochloride of cephalosporin derivative and a method for preparation thereof | Yasushi Murai, Masahiro Onodera, Toshio Nishizuka, Yasuhiko Abat, Seiji Shibahara +1 more | 1990-11-13 |
| 4898858 | Cephalosporin derivatives and antibiotics containing the same | Seiji Shibahara, Yasushi Murai, Toshiaki Kudo, Takashi Yoshida, Ken Nishihata +1 more | 1990-02-06 |
| 4810702 | Antibacterial agent for mammal use comprising cephalosporin derivatives as an effective ingredient | Seiji Shibahara, Yasushi Murai, Toshiaki Kudo, Takashi Yoshida, Ken Nishihata +1 more | 1989-03-07 |
| 4785090 | Cephalosporin derivatives | Takashi Tsuruoka, Seiji Shibahara, Katsuyoshi Iwamatsu, Satoru Nakabayashi, Yasushi Murai +6 more | 1988-11-15 |
| 4556513 | Process for the production of antibiotic 1-oxadethiacephalosporins, and intermediate | Seiji Shibahara, Yasushi Murai, Shunzo Fukatsu, Taro Niida, Tadashi Wakazawa | 1985-12-03 |
| 4534898 | 1-Oxa-1-dethia-cephalosporin derivatives | Seiji Shibahara, Yasushi Murai, Shunzo Fukatsu, Tadashi Wakazawa, Taro Niida +1 more | 1985-08-13 |
| 4497811 | 1-Oxadethiacephalosporin compound and antibacterial agent containing the _same | Seiji Shibahara, Yasushi Murai, Shunzo Futkatsu, Taro Niida, Tadashi Wakazawa | 1985-02-05 |
| 4472576 | Processes for the production of antibiotic 1-oxadethiacephalosporins | Tadashi Wakazawa, Taro Niida, Shunzo Fukatsu, Yasushi Murai, Seiji Shibahara | 1984-09-18 |
| 4418070 | Cardiotonic agents | Shunzo Fukatsu, Mitsugu Hachisu, Hiroko Kawashima, Keiko Shitoh, Yasuharu Sekizawa | 1983-11-29 |