Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9234080 | Conductive resin composition | Hideya Yoshitake, Tsunao Matsuura, Kenji Fukuda, Ken Nakamura, Keiichirou Koyashiki +2 more | 2016-01-12 |
| 9103052 | Fine carbon fiber, fine short carbon fiber, and manufacturing method for said fibers | Tsunao Matsuura, Kenji Fukuda | 2015-08-11 |
| 8834828 | Fine carbon fiber, fine short carbon fiber, and manufacturing method for said fibers | Tsunao Matsuura, Kenji Fukuda | 2014-09-16 |
| 8541615 | Method for producing biphenyltetracarboxylic acid tetraester | Hiroaki Imajima, Takato Nakamura, Yoshihiro Yamauchi | 2013-09-24 |
| 7854452 | Engagement fitting and manufacturing method of engagement fitting | Mayuki Nishio, Shinichi Nishio, Tatsuya Nishio | 2010-12-21 |
| 6861563 | Process for preparation of cyclododecanone | Ryoji Sugise, Shuji Tanaka, Takashi Doi, Sadao Niida, Tsunao Matsuura | 2005-03-01 |
| 6518461 | Method of continuously producing a cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Takashi Doi, Sadao Niida, Tsunao Matsuura | 2003-02-11 |
| 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 |
| 5973184 | Process for preparing a dialkyl carbonate by gas-phase decarbonylation of dialkyl oxalate | Katsumasa Harada, Ryoji Sugise, Toshio Kurafuji, Toshihiro Shimakawa | 1999-10-26 |
| 5892091 | Catalyst for decarbonylation reaction | Katsumasa Harada, Yoichi Imbe, Keigo Nishihira, Shuji Tanaka, Satoru Fujitsu +4 more | 1999-04-06 |