Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594132 | 7-acylamino-3-substituted cephalosporanic acid derivatives | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1997-01-14 |
| 5532354 | Intermediates for cephem compounds | Yoshiki Yoshida, Jiro Goto, Takeshi Terasawa, Shinya Okuda, Kazuo Sakane | 1996-07-02 |
| 5401734 | Cephem compounds | Yoshiki Yoshida, Jiro Goto, Takeshi Terasawa, Shinya Okuda, Kazuo Sakane | 1995-03-28 |
| 5252731 | Cephalosporin intermediates | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1993-10-12 |
| 5244890 | Cephem compounds | Yoshiki Yoshida, Jiro Goto, Takeshi Terasawa, Shinya Okuda, Kazuo Sakane | 1993-09-14 |
| 5110921 | 7-acylamino-3-vinylcephalosporanic acid derivatives | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1992-05-05 |
| 5026695 | 7-acylamino-3-substituted cephalosporanic acid derivatives | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1991-06-25 |
| 4960889 | 7-acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1990-10-02 |
| 4904652 | 7-acylamino-3-substituted cephalosporanic acid derivatives | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1990-02-27 |
| 4736039 | New cephem compounds and processes for preparation thereof | Takao Takaya, Hisashi Takasugi | 1988-04-05 |
| 4731443 | 7-acylamino-3-vinylcephalosporanic acid derivatives | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1988-03-15 |
| 4719206 | Cephem compounds | Takao Takaya, Takashi Masugi, Takashi Ogino, Hisashi Takasugi | 1988-01-12 |
| 4649136 | Cephem compounds | Takao Takaya, Hisashi Takasugi | 1987-03-10 |
| 4639448 | 7-amino-3-[substituted vinyl]-3-cephem-4-carboxylates having antimicrobial activity | Takao Takaya, Hisashi Takasugi, Kenji Miyai, Yoshikazu Inoue | 1987-01-27 |
| 4631274 | Halovinyl cephem compounds | Takao Takaya, Kazuo Sakane, Kenzi Miyai | 1986-12-23 |
| 4590186 | Cephem compounds having 3-bicyclic heterocyclic cation groups | Takao Takaya, Kazuo Sakane | 1986-05-20 |
| 4585860 | 7-acylamino-3-vinylcephalosporanic acid derivatives useful for treatment of infectious diseases in human beings and animals | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1986-04-29 |
| 4584290 | Cephem compounds | Takao Takaya, Takashi Masugi, Takashi Ogino, Hisashi Takasugi | 1986-04-22 |
| 4559334 | 7-Substituted-3-vinyl-3-cephem compounds and processes for production of the same | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1985-12-17 |
| 4546101 | New cephem compounds useful for treating infectious diseases in human being and animals and processes for preparation thereof | Takao Takaya, Hisashi Takasugi, Kenji Miyai, Yoshikazu Inoue | 1985-10-08 |
| 4515788 | Cephem compounds | Takao Takaya, Hisashi Takasugi | 1985-05-07 |
| 4499088 | Cephem compounds | Takao Takaya, Hisashi Takasugi | 1985-02-12 |
| 4487927 | 3-Phosphonium and 3-phosphoranylidenecephems | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1984-12-11 |
| 4462999 | 7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Kohji Kawabata | 1984-07-31 |
| 4463003 | Cephem compounds | Takao Takaya, Hisashi Takasugi | 1984-07-31 |