Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8293893 | Method for producing 6-hydroxyethylpenam compound | Hideo Tanaka, Manabu Kuroboshi, Syoichi Tateyama, Takae Yamada | 2012-10-23 |
| 7893254 | Process for production of 3-alkenylcephem compounds | Yoichi Nishioka, Masahiro Ito | 2011-02-22 |
| 7759483 | 3-alkenylcephem compounds and process for production thereof | Yoichi Nishioka, Koichi Sorajo | 2010-07-20 |
| 7692003 | Penicillin crystals and process for producing the same | Isao Wada | 2010-04-06 |
| 7183421 | Processes for producing oxide with higher oxidation than alcohol | Hideo Tanaka | 2007-02-27 |
| 6887992 | 3-cephem derivative crystal | Takashi Moriyoshi, Yasuhiro Uosaki, Daisuke Suzuki, Yoshiko Seo | 2005-05-03 |
| 6797830 | Process for producing oxide with higher oxidation than alcohol | Hideo Tanaka | 2004-09-28 |
| 6576761 | Process for the preparation of cephem compounds | Hideo Tanaka | 2003-06-10 |
| 6448393 | Process for producing 3-cephem compounds | — | 2002-09-10 |
| 6420554 | Process for preparation of 3-cephem compound | Takae Yamada, Dal Soo Suh | 2002-07-16 |
| 6417351 | Process for producing 3-alkenylcephem compounds | — | 2002-07-09 |
| 6399770 | Preparation of &bgr;-hydroxy esters using ammonium borohydrides | — | 2002-06-04 |
| 6339152 | Process for producing exo-methylenepenam compounds | Sigeru Torii, Hideo Tanaka, Yoshihisa Tokumaru | 2002-01-15 |
| 6197185 | Process for preparing beta lactam compound | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 2001-03-06 |
| 6150519 | Process for preparing .beta.-lactam derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Isao Wada, Yasuhisa Amano | 2000-11-21 |
| 6043356 | Process for preparing .beta.-lactam compound | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 2000-03-28 |
| 6011151 | Process for preparing .beta.-lactam halide compound | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Daisuke Suzuki | 2000-01-04 |
| 5986091 | Process for preparation of .beta.-lactam compounds | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 1999-11-16 |
| 5977352 | Process for preparing 3-norcephem compounds | Michio Sasaoka, Sigeru Torii, Hideo Tanaka, Ryo Kikuchi | 1999-11-02 |
| 5968335 | Process for preparing 3-alkoxymethylcephem compounds | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 1999-10-19 |
| 5929233 | Cyclization for preparing halo-cephems | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Isao Wada, Yasuhisa Amano | 1999-07-27 |
| 5919924 | Process for preparing 3-halogenated cephem derivative | Michio Sasaoka, Shigeru Torii, Hideo Tanaka, Ryo Kikuchi, Kouichi Sorajo | 1999-07-06 |
| 5905147 | Process for preparing .beta.-lactam compound | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 1999-05-18 |
| 5693792 | .beta.-lactam and cephem compounds and processes for their production | Shigeru Torii, Hideo Tanaka, Mitio Sasaoka, Takashi Shiroi | 1997-12-02 |
| 5656754 | Process for preparing cephem compounds | Shigeru Torii, Hideo Tanaka, Michio Sasaoka, Takashi Shiroi | 1997-08-12 |