Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780934 | Room temperature-setting composition | Takao Doi, Tomoko Matsumoto, Tatsuo Onoguchi, Kaori Tsuruoka | 2004-08-24 |
| 6207766 | Room temperature-setting compositions | Takao Doi, Tomoko Matsumoto, Tatsuo Onoguchi, Kaori Tsuruoka | 2001-03-27 |
| 5973096 | Process for purifying a polyether | Hiroshi Hatano, Kazunori Chiba, Takao Doi, Toru Ueno, Etsuko Sakai +4 more | 1999-10-26 |
| 5811566 | Process for purifying a polyether | Hiroshi Hatano, Kazunori Chiba, Takao Doi, Toru Ueno, Etsuko Sakai +4 more | 1998-09-22 |
| 5290912 | Process for producing a polyoxyalkylene compound | Hiromitsu Takeyasu, Shigeyuki Kozawa | 1994-03-01 |
| 4987271 | Method for purifying a polyoxyalkylene alcohol | Hiromitsu Takeyasu, Takao Doi, Nobuaki Kunii | 1991-01-22 |
| 4808636 | Process for producing polyurethane elastomer and composition as starting material therefor | Joichi Saito, Hiroshi Wada, Shigehito Shibata, Kiyoshi Tanabe, Nobuaki Kunii | 1989-02-28 |