Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880942 | Preparation of cyclic carbonates | Yuuichi Matsunaga, Masao Imagawa | 1989-11-14 |
| 4460709 | Process for producing oxygen-containing organic compounds | Kenji Saeki | 1984-07-17 |