Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7932327 | Polyurethane/thiourethane-based optical resin and process for producing the same | Osamu Kohgo, Akinori Ryu, Mamoru Tanaka, Kunio Okumura | 2011-04-26 |
| 7915358 | Copolymer, production process thereof, lubricating oil viscosity modifier, and lubricating oil composition | Satoshi Ikeda, Akihiro Matsuda, Yoshiki Shimokawatoko, Toshiyuki Shimazaki, Hiroshi Terao +1 more | 2011-03-29 |