Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861563 | Process for preparation of cyclododecanone | Ryoji Sugise, Shuji Tanaka, Takashi Doi, Masayuki Nishio, Tsunao Matsuura | 2005-03-01 |
| 6518461 | Method of continuously producing a cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Takashi Doi, Masayuki Nishio, Tsunao Matsuura | 2003-02-11 |
| 6417404 | Process for continuously producing a cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Takashi Doi, Masayuki Nishio, Tsunao Matsuura | 2002-07-09 |
| 6388140 | Method and producing cyclododecanone compound | Ryoji Sugise, Shuji Tanaka, Kohichi Kashiwagi, Takashi Doi, Masayuki Nishio +1 more | 2002-05-14 |
| 6169209 | Preparation of organic phosphonium chloride | Katsumasa Harada, Ryoji Sugise, Koichi Kashiwagi | 2001-01-02 |
| 5792883 | Preparation of diaryl carbonate | Katsumasa Harada, Ryoji Sugise, Koichi Kashiwagi, Takashi Doi, Toshio Kurafuji | 1998-08-11 |
| 4536577 | Process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine | Hiroshi Yoshida | 1985-08-20 |