Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481332 | Heat resistant polyphenylene ether composition | Akiyoshi Somemiya, Shunichu Miyashita | 1984-11-06 |
| 4362857 | Method of producing polyether resins using phase transfer catalysts | Kazuya Yonezawa, Miyuki Matsuura | 1982-12-07 |