Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8569538 | Acryloyl materials for molded plastics | Masataka Nakamura, Mitsuru Yokota, Takehiro Kohara, Hiroya Koyama, Shinya Kiguchi +1 more | 2013-10-29 |
| 8299303 | Process for producing a concentrated solution for a photoresist-stripping liquid having low water content | Katsutoshi Hirose, Hiroya Koyama, Taro Sasabe, Naoshi Kai | 2012-10-30 |