Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335211 | Process for producing optically active cephalosporin analogs | Seigo Takasawa, Tadashi Hirata, Ikuo Matsukuma, Shigeo Yoshiie | 1982-06-15 |
| 4332896 | Process for producing cephalosporin analogs | Kazuo Kimura, Tadashi Hirata, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma | 1982-06-01 |
| 4316958 | Process for producing optically active cephalosporin analogs | Tadashi Hirata, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma, Kazuo Kimura | 1982-02-23 |