Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8299303 | Process for producing a concentrated solution for a photoresist-stripping liquid having low water content | Hiroya Koyama, Kimihiro Kamasaka, Taro Sasabe, Naoshi Kai | 2012-10-30 |
| 7598408 | Intermediates for synthesis of vitamin D derivatives | Hidekazu Imahori, Hiroya Koyama, Daisuke Yoshihara, Yoshinori Sawashita, Sota Kurita +2 more | 2009-10-06 |