Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700946 | Process for production of N-vinyl compound | Yuuji Shimasaki, Akira Kurusu | 1997-12-23 |
| 5326903 | Process for preparing isocyanates using sintered oxides | Yuuji Shimasaki, Masako Hokazono | 1994-07-05 |