Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723569 | Random copolymerized polyamide resin and process for preparing the same | Shin Sato, Masaaki Miyamoto, Kenji Tsuruhara | 1998-03-03 |
| 5350790 | Polycarbonate resin composition for optical use | Yoshitomi Urabe, Hironori Hayashida | 1994-09-27 |
| 5254614 | Polycarbonate resin composition for optical use | Yoshitomi Urabe, Hironori Hayashida | 1993-10-19 |
| 4839458 | Preparation with controlled amounts of polycarbonate carbon tetrachloride | Shinichiro Koga, Akira Matsuno, Katsuyuki Sakata, Isao Akihara | 1989-06-13 |
| 4668827 | Process for preparing 2-(1-hydroxyalkyl) cyclohexanone and/or 2-alkylidene cyclohexanone | Mitsuhiko Tamura, Haruo Katsumata, Kiyoharu Urakawa | 1987-05-26 |