Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863997 | Polyphenylene ether composition | Nobuhiro Shibuya, Takeyoshi Nishio | 1989-09-05 |
| 4841182 | Rectifier in alternating generators for automotive vehicles | Kyoshi Tsuchiya, Hideyuki Ioka | 1989-06-20 |