Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248839 | Preparation process of bisphenol A | Shigeru Iimuro, Akira Yamada, Kenichi Ohmura, Tsuguo Kawamura | 1993-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248839 | Preparation process of bisphenol A | Shigeru Iimuro, Akira Yamada, Kenichi Ohmura, Tsuguo Kawamura | 1993-09-28 |