Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357084 | Exposure control device for cameras | — | 1982-11-02 |
| 4332896 | Process for producing cephalosporin analogs | Yukio Hashimoto, Tadashi Hirata, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma | 1982-06-01 |
| 4316958 | Process for producing optically active cephalosporin analogs | Tadashi Hirata, Yukio Hashimoto, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma | 1982-02-23 |