Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8431709 | Acylation reaction of hydroxyl group | Kazushi Mashima, Takashi Ohshima, Noboru Sayo | 2013-04-30 |
| 7888513 | Condensation reaction by metal catalyst | Kazushi Mashima, Takashi Ohshima, Hironori Maeda, Kenya Ishida | 2011-02-15 |