Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9051234 | Method for producing alkanediol | Yasutaka Yoshida, Kenji Hirotsu, Kouichi Kashiwagi, Ryo Fujimoto, Ryousuke Katsura +1 more | 2015-06-09 |
| 8940946 | Method for producing high-purity 1,5-pentanediol | Yasutaka Yoshida, Kenji Hirotsu, Ryo Fujimoto, Ryousuke Katsura, Satoru Fujitsu +1 more | 2015-01-27 |
| 8618335 | Process for preparing aromatic aldehyde compound | Yoshihiro Yoshida, Shinji Yasuda, Yoshiyuki Watanabe, Satoru Fujitsu, Daisuke Douyama | 2013-12-31 |
| 8450508 | Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same | Yoshihiro Yoshida, Eiji Sajiki, Satoru Fujitsu | 2013-05-28 |
| 8344166 | Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl) propanal and process for producing the same | Yoshihiro Yoshida, Eiji Sajiki, Satoru Fujitsu | 2013-01-01 |
| 8338589 | Process for producing laurolactam | Junichi Kugimoto, Nobuhiro Ii, Satoru Fujitsu, Tadashi Gotou, Hideo Shimomura +2 more | 2012-12-25 |
| 8168809 | 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for production thereof | Yoshihiro Yoshida, Eiji Sajiki, Satoru Fujitsu | 2012-05-01 |
| 8039649 | Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same | Yoshihiro Yoshida, Eiji Sajiki, Satoru Fujitsu | 2011-10-18 |
| 6861563 | Process for preparation of cyclododecanone | Ryoji Sugise, Shuji Tanaka, Masayuki Nishio, Sadao Niida, Tsunao Matsuura | 2005-03-01 |
| 6518461 | Method of continuously producing a cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Masayuki Nishio, Sadao Niida, Tsunao Matsuura | 2003-02-11 |
| 6472498 | Diaryl carbonate product and production of polycarbonate | Ryoji Sugise, Shuji Tanaka, Kohichi Kashiwagi, Hirofumi Ii, Masayuki Nishio +3 more | 2002-10-29 |
| 6417404 | Process for continuously producing a cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Masayuki Nishio, Sadao Niida, Tsunao Matsuura | 2002-07-09 |
| 6388140 | Method and producing cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Kohichi Kashiwagi, Masayuki Nishio, Sadao Niida +1 more | 2002-05-14 |
| 5892091 | Catalyst for decarbonylation reaction | Katsumasa Harada, Yoichi Imbe, Keigo Nishihira, Shuji Tanaka, Satoru Fujitsu +4 more | 1999-04-06 |
| 5892089 | Process for preparing diaryl carbonate | Katsumasa Harada, Ryoji Sugise, Koichi Kashiwagi, Yoichi Imbe, Keigo Nishihira +2 more | 1999-04-06 |
| 5811573 | Process for producing a diaryl carnonate | Keigo Nishihira, Shuji Tanaka, Yuki Nishida, Ii Hirofumi, Satoru Fujitsu +3 more | 1998-09-22 |
| 5792883 | Preparation of diaryl carbonate | Katsumasa Harada, Ryoji Sugise, Koichi Kashiwagi, Sadao Niida, Toshio Kurafuji | 1998-08-11 |
| 5731453 | Process for producing a diaryl carbonate | Keigo Nishihira, Shuji Tanaka, Yuki Nishida, Hirofumi Ii, Satoru Fujitsu +3 more | 1998-03-24 |