Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933343 | Styrene polymer resin and composition thereof | Toshiharu Kawasaki, Ikuji Ohtani, Mitsutoshi Toyama | 2005-08-23 |
| 6759498 | Process for producing styrene resin reduced in content of low-molecular ingredient | Kiyoshi Kawakami, Hironori Suezawa, Hiroshi Shirai | 2004-07-06 |
| 4931376 | Crystalline trans-butadiene polymers | Yasuo Hattori, Yoshihiro Inoki, Mitsuhiro Tanaka | 1990-06-05 |