Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137957 | Method of preparing an antibacterial polymer and its application | Yoshitsugu Maruhashi | 1992-08-11 |
| 4919984 | Multilayer plastic container | Yoshitsugu Maruhashi, Setsuko Iida, Sadao Hirata | 1990-04-24 |
| 4919985 | Coated styrene resin container and process for production thereof | Yoshitsugu Maruhashi | 1990-04-24 |