Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653362 | Process for producing flexible polyurethane foam | Yoshinori Toyota, Hiroshi Wada, Takayuki Sasaki, Akio Horie, Kayoko Sugiyama | 2003-11-25 |
| 6602450 | Method for producing a thermally insulating plate | Hisashi Sato, Chitoshi Suzuki | 2003-08-05 |
| 6043291 | Method for producing foamed synthetic resin | Minako Okamura, Nobuaki Tsukida, Hisashi Sato | 2000-03-28 |
| 5300535 | Method for producing polyurethane flexible foam | Sigeyuki Kozawa | 1994-04-05 |
| 5290912 | Process for producing a polyoxyalkylene compound | Takashi Watabe, Shigeyuki Kozawa | 1994-03-01 |
| 5145883 | Methods for producing polyether ester polyols and polyurethanes | Joichi Saito, Sigeyuki Kozawa, Nobuaki Kunii, Hirotsugu Yamamoto | 1992-09-08 |
| 5093380 | Polyurethane flexible foam and method for its production | Tsunehisa Sonobe, Yoshiyuki Yamaguchi, Takao Doi | 1992-03-03 |
| 4987271 | Method for purifying a polyoxyalkylene alcohol | Takashi Watabe, Takao Doi, Nobuaki Kunii | 1991-01-22 |