Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946957 | Anti-tumor DC-52 derivatives | Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Makoto Morimoto, Tadashi Ashizawa | 1990-08-07 |
| 4923986 | Derivatives of physiologically active substance K-252 | Chikara Murakata, Akira Sato, Mitsuru Takahashi, Eiji Kobayashi, Makoto Morimoto +5 more | 1990-05-08 |
| 4879386 | Anti-tumor DC-52 compounds | Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Makoto Morimoto, Tadashi Ashizawa | 1989-11-07 |
| 4822882 | DC-52 derivatives and their antitumor use | Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Makoto Morimoto, Tadashi Ashizawa | 1989-04-18 |
| 4755596 | Optically active carbacephems | Yukio Hashimoto, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma, Kazuo Kimura | 1988-07-05 |
| 4734494 | Optically active 3-halo carbacephems | Yukio Hashimoto, Ikuo Matsukuma, Shigeo Yoshiie, Seigo Takasawa | 1988-03-29 |
| 4708956 | 3-position halogenated cephalosporin analogs and pharmaceutical compositions | Ikuo Matsukuma, Shigeo Yoshiie, Kiyoshi Sato, Yoichi Ohashi | 1987-11-24 |
| 4694001 | .beta.-lactam compound and a pharmaceutical composition containing the same | Kenichi Mochida, Chihiro Shiraki, Kiyoshi Sato | 1987-09-15 |
| 4668683 | Cardiotonic quinazoline derivatives | Haruki Takai, Yuji Nomoto, Tetsuji Ohno, Kazuhiro Kubo | 1987-05-26 |
| 4663450 | Optically active cephalosporin analogs | Yukio Hashimoto, Takehiro Ogasa, Shigeru Kobayashi, Akira Sato, Kiyoshi Sato +1 more | 1987-05-05 |
| 4650869 | DX-52-1 compounds and process for preparing the same | Shigeru Kobayashi, Keiichi Takahashi, Makoto Morimoto, Yuko Arai | 1987-03-17 |
| 4640919 | 3-substituted carbacepem compounds having antibacterial effect | Kenichi Mochida, Takehiro Ogasa, Junichi Shimada, Kiyoshi Sato, Ryo Okachi | 1987-02-03 |
| 4618687 | Cyclopentenone compound and process for production thereof | Hiromitsu Saito, Makoto Morimoto | 1986-10-21 |
| 4343943 | Cephalosporin analogs | Hiromitsu Saito, Nobuhiro Nakamizo | 1982-08-10 |
| 4335211 | Process for producing optically active cephalosporin analogs | Yukio Hashimoto, Seigo Takasawa, Ikuo Matsukuma, Shigeo Yoshiie | 1982-06-15 |
| 4332896 | Process for producing cephalosporin analogs | Yukio Hashimoto, Kazuo Kimura, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma | 1982-06-01 |
| 4322345 | 2-Azetidinone 4-carboxy derivatives and a process for producing the same | Akira Sato, Nobuhiro Nakamizo | 1982-03-30 |
| 4316958 | Process for producing optically active cephalosporin analogs | Yukio Hashimoto, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma, Kazuo Kimura | 1982-02-23 |
| 4302540 | Process of producing optically active cephalosporin analogs by enzyme selective deacylation | Yukio Hashimoto, Takehiro Ogasa, Shigeru Kobayashi, Akira Sato, Kiyoshi Sato +1 more | 1981-11-24 |
| 4302541 | Process of producing optically active cephalosporin analogs by enzyme selective deacylation | Yukio Hashimoto, Ikuo Matsukuma, Shigeo Yoshiie, Seigo Takasawa | 1981-11-24 |
| 4291164 | Cephalosporin analogs and methods for production thereof | Takehiro Ogasa, Hiromitsu Saito, Nobuhiro Nakamizo | 1981-09-22 |