Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404860 | Compound having hydantoin ring and method of producing the same | Mina Shimamura | 2013-03-26 |
| 8258313 | Compound having hydantoin ring and method of producing the same | Mina Shimamura | 2012-09-04 |
| 7220881 | Process for production of acid anhydride | Eiji Ohshima, Masao Yamaguchi | 2007-05-22 |