Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252111 | Method for producing sulfonimide or its salt | Shigenori Sakai, Hironari Takase | 2001-06-26 |
| 5723664 | Method of preparing sulfonimide or its salt | Kenji Fujii, Shigenori Sakai, Yoshiyuki Kobayashi, Yasushi Kita | 1998-03-03 |
| 5059671 | Manufacturing process of spray urethane elastomer | Kazuo Taniguchi, Kazuhiro Imaoka, Tetsuyoshi Ogura | 1991-10-22 |
| 5004829 | Method of preparing trifluoromethanesulfonic acid anhydride | Minoru Aramaki, Takashi Suenaga, Takanori Hamana | 1991-04-02 |
| 4927962 | Process of preparing fluorocarbon carboxylic or sulfonic acid from its fluoride | Minoru Aramaki, Tamio Nakamura | 1990-05-22 |
| 4925975 | Method of preparing alkali metal fluoroalkylsulfonates of high purity | Minoru Aramaki, Kimitaka Okamoto, Tamio Nakamura | 1990-05-15 |
| 4711949 | Method of converting fluorine-containing high polymer into lower molecular weight polymer | Minoru Aramaki | 1987-12-08 |
| 4294951 | Rapid curing polyurethane elastomer prepared from a diphenylmethanediisocyanate based liquid prepolymer and a curing agent containing a polytetramethylene ether glycol, a diol and an organometallic catalyst | Toshio Sugita, Hisanobu Tsuda, Tsuyoshi Suzuki | 1981-10-13 |