Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9085647 | Thermoplastic transparent resin | Shojiro Kuwahara | 2015-07-21 |
| 7183362 | Process for producing polyester resins | Takeshi Hirokane, Shojiro Kuwahara, Tsuyoshi Ikeda, Tomohito Oyama | 2007-02-27 |