Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877687 | Synthetic resin molded article having antistatic property | Kiyotaka Azegami, Naoki Yamamoto, Akira Yanagase, Hiroki Hatakeyama | 1989-10-31 |
| 4876306 | Process for preparing a thermoplastic resin | Satoshi Kurokawa, Fumio Sato | 1989-10-24 |