Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472498 | Diaryl carbonate product and production of polycarbonate | Ryoji Sugise, Shuji Tanaka, Kohichi Kashiwagi, Takashi Doi, Hirofumi Ii +3 more | 2002-10-29 |
| 6417404 | Process for continuously producing a cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Takashi Doi, Sadao Niida, Tsunao Matsuura | 2002-07-09 |
| 6388140 | Method and producing cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Kohichi Kashiwagi, Takashi Doi, Sadao Niida +1 more | 2002-05-14 |