Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197185 | Process for preparing beta lactam compound | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama | 2001-03-06 |
| 6150519 | Process for preparing .beta.-lactam derivatives | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama, Isao Wada, Yasuhisa Amano | 2000-11-21 |
| 6063918 | Process for preparing 2-isocephem derivatives | Daisuke Suzuki, Delsoo Suh, Yoshihisa Tokumaru | 2000-05-16 |
| 6043356 | Process for preparing .beta.-lactam compound | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama | 2000-03-28 |
| 6011151 | Process for preparing .beta.-lactam halide compound | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama, Daisuke Suzuki | 2000-01-04 |
| 5986091 | Process for preparation of .beta.-lactam compounds | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama | 1999-11-16 |
| 5977352 | Process for preparing 3-norcephem compounds | Sigeru Torii, Hideo Tanaka, Ryo Kikuchi, Yutaka Kameyama | 1999-11-02 |
| 5968335 | Process for preparing 3-alkoxymethylcephem compounds | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama | 1999-10-19 |
| 5929233 | Cyclization for preparing halo-cephems | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama, Isao Wada, Yasuhisa Amano | 1999-07-27 |
| 5919924 | Process for preparing 3-halogenated cephem derivative | Shigeru Torii, Hideo Tanaka, Ryo Kikuchi, Yutaka Kameyama, Kouichi Sorajo | 1999-07-06 |
| 5905147 | Process for preparing .beta.-lactam compound | Sigeru Torii, Hideo Tanaka, Yutaka Kameyama | 1999-05-18 |
| 5770729 | Ozonide reducing agent | Daisuke Suzuki, Takashi Shiroi | 1998-06-23 |
| 5688942 | Process for preparing 2-isocephem derivatives | Daisuke Suzuki, Delsoo Suh, Yoshihisa Tokumaru | 1997-11-18 |
| 5656755 | Process for preparation on 3-substituted cephem compound | Shigeru Torii, Hideo Tanaka, Takashi Shiroi | 1997-08-12 |
| 5656754 | Process for preparing cephem compounds | Shigeru Torii, Hideo Tanaka, Takashi Shiroi, Yutaka Kameyama | 1997-08-12 |
| 5587464 | Process for producing diazomethane derivatives | Ichiro Kawahara, Isao Wada | 1996-12-24 |
| 5476913 | Polymerizable monomer, polymer thereof and process for preparing same | Hiroki Kourai, Mitsuo Akada, Yoshio Yabuhara, Kouji Mori, Akihiro Murakami +1 more | 1995-12-19 |
| 5288860 | Process for preparing thiazolino azetidinone and 2-exo-methylenepenam derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Takashi Shiroi, Yutaka Kameyama | 1994-02-22 |
| 5247054 | Organic polymer ferromagnetic material and process for preparing polymer | Hitoshi Tanaka, Tsuneyuki Sato, Todatoshi Ota, deceased | 1993-09-21 |
| 5206361 | Thiazolinoazetidinone derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Takashi Shiroi, Yutaka Kameyama | 1993-04-27 |
| 5204458 | Process for preparing cephem derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Takashi Shiroi, Yutaka Kameyama | 1993-04-20 |
| 5196530 | Process for preparing 2-exo-methylenepenam derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Takashi Shiroi, Yutaka Kameyama | 1993-03-23 |
| 5142040 | Process for preparing a 3-formylcephem derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Takashi Shiroi, Ryo Kikuchi +1 more | 1992-08-25 |
| 5126447 | Process for preparation of .beta.-lactam derivative from an alkenyl substituted .beta.-lactam derivative using a ruthenium or rhenium catalyst and a periodic acid | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Takashi Shiroi, Ryo Kikuchi +1 more | 1992-06-30 |
| 5070194 | Method for production of .beta.-lactam derivatives | Nori Saito, Takashi Shiroi, Shigemitsu Nagao, Ryo Kikuchi, Yutaka Kameyama | 1991-12-03 |