Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076478 | Polyamine derivative and polyol derivative | Naruyoshi Mita, Mitsuaki Chida, Kengo Otsuka, Naoshi Nagai, Takaaki Yamazaki +1 more | 2011-12-13 |
| 8044165 | Process for producing resin for optical material | Shigetoshi Kuma, Mamoru Tanaka, Seiichi Kobayashi | 2011-10-25 |