Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351947 | Tetrazole derivative | Chisei Shibuya, Masateru Kobayashi, Takanori Sone | 1982-09-28 |
| 4347421 | Automatic pipe circumference welding apparatus | Mutsuo Mukuda, Kazuo Aotsuka | 1982-08-31 |
| 4327211 | Method for preparation of cephalosporin compounds | Masateru Kobayashi, Takanori Sone, Chisei Shibuya | 1982-04-27 |