Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617372 | Process for producing polyphenylene ether | Kazunori Yano, Katsuhiro Abe | 1986-10-14 |
| 4503194 | Process for preparing heat-resistant resins | Hiroshi Takahashi | 1985-03-05 |