Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937273 | Process for producing antibacterial flexible polyurethane foam | Yasuo Kamimura, Kuniaki Yasunaga | 1990-06-26 |
| 4923904 | Process for producing polyurethane foam | Hajime Hasegawa, Taiji Koga, Atsuo Takei | 1990-05-08 |
| 4777189 | Production of polyurethane foam | Kenji Shimomura, Shigeaki Kouketsu, Take Sato | 1988-10-11 |
| 4696952 | Production of polyurethane foam | Kenji Shimomura, Shigeaki Kouketsu, Take Sato | 1987-09-29 |
| 4292361 | Asbestos-metal surfaced urethane modified polyisocyanurate foam | Takashi Ohashi, Akira Suzuki, Katsuhiko Arai | 1981-09-29 |
| 4292369 | Fireproof laminates | Takashi Ohashi, Katsuhiko Arai, Hiroshi Kaneda | 1981-09-29 |
| 4292353 | Urethane modified polyisocyanurate foam surfaced with aluminum foil or sheet | Takashi Ohashi, Akira Suzuki, Katsuhiko Arai, Minoru Kojima, Yoshiko Taniguchi +5 more | 1981-09-29 |
| 4256846 | Method of producing flameproof polyisocyanurate foams | Takashi Ohashi, Hiroshi Kaneda, Yoshiko Taniguchi, Masako Yoshida | 1981-03-17 |
| 4256799 | Fireproof laminates | Takashi Ohashi, Akira Suzuki | 1981-03-17 |
| 4205136 | Process for producing a rigid polyurethane foam having excellent flame retardance and low-smoke development | Takashi Ohashi, Minoru Kojima, Masako Yoshida, Ryozo Sakata | 1980-05-27 |
| 4189541 | Method for producing heat resistant and flame resistant polyisocyanurate foams using little or no organosilicone surfactant | Takashi Ohashi, Katsuhiko Arai, Akira Suzuki, Minoru Kojima, Yoshiko Taniguchi +2 more | 1980-02-19 |