Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317016 | Pyrrolidylthiocarbapenem derivative | Yasuhiro Nishitani | 1994-05-31 |
| 5305172 | Synthetic resin disc cartridge shutter having non-engaging raised gate mark | Tsutomu Sugisaki, Kazutoshi Machida, Ikuo Taki, Naoyoshi Chino | 1994-04-19 |