Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093378 | Process for producing flexible polyurethane foam | Takumi Ishiwaka, Hajime Hasegawa | 1992-03-03 |
| 5082870 | Method of making an electrically conductive polyurethane foam | Hiroya Fukuda, Masayuki Akou, Eiji Sawa | 1992-01-21 |
| 5008297 | Method for producing phenol resin foams and method of making foamed laminates | Akihiro Maruyama, Munehiko Kato, Takumi Ishiwaka, Katsuto Seki | 1991-04-16 |
| 4938819 | Method of making a composite panel of a foam material | Seiji Ishii, Hiroya Fukuda | 1990-07-03 |
| 4887923 | Platen roll | Takumi Ishiwaka, Yukio Andoh, Michiyuki Yamaguchi, Shosuke Suzuki, Yoshinori Egashira +1 more | 1989-12-19 |
| 4842926 | Laminated product | Eiji Sawa, Susumu Moriya, Hiroya Fukuda | 1989-06-27 |
| 4830916 | Method of manufacturing molded products and laminated structure including the molded products manufactured according to the method | Hiroya Fukuda, Hitoshi Yaguchi, Kazuhumi Yokoyama, Keiichiro Tabata | 1989-05-16 |
| 4755394 | Electroconductive articles and a method of producing the same | Masami Aoki, Takashi Kitamura | 1988-07-05 |
| 4737524 | Process for producing asphalt-blended polyurethane foams | Masayuki Ako, Masafumi Dobashi, Hiroya Fukuda | 1988-04-12 |
| 4590123 | Low-resilience rubber compositions and foams | Takatsugu Hashimoto | 1986-05-20 |
| 4546127 | Low-resilience rubber compositions and foams | Takatsugu Hashimoto | 1985-10-08 |
| 4393015 | Process of producing urethane-modified polyisocyanurate foams | Hiroshi Kaneda, Katsuhiko Arai, Akira Suzuki | 1983-07-12 |
| 4296170 | Fireproof laminates | Toru Okoyama, Katsuhiko Arai | 1981-10-20 |
| 4292353 | Urethane modified polyisocyanurate foam surfaced with aluminum foil or sheet | Toru Okuyama, Akira Suzuki, Katsuhiko Arai, Minoru Kojima, Yoshiko Taniguchi +5 more | 1981-09-29 |
| 4292361 | Asbestos-metal surfaced urethane modified polyisocyanurate foam | Toru Okuyama, Akira Suzuki, Katsuhiko Arai | 1981-09-29 |
| 4292369 | Fireproof laminates | Toru Okuyama, Katsuhiko Arai, Hiroshi Kaneda | 1981-09-29 |
| 4256846 | Method of producing flameproof polyisocyanurate foams | Toru Okuyama, Hiroshi Kaneda, Yoshiko Taniguchi, Masako Yoshida | 1981-03-17 |
| 4256799 | Fireproof laminates | Toru Okuyama, Akira Suzuki | 1981-03-17 |
| 4246361 | Method for producing flame- and smoke-resistant polyurethane foam sheet by incorporation of a urea derivative in reaction mixture | Toshio Yukuta, Minoru Kojima, Masumi Saito | 1981-01-20 |
| 4205136 | Process for producing a rigid polyurethane foam having excellent flame retardance and low-smoke development | Minoru Kojima, Masako Yoshida, Toru Okuyama, Ryozo Sakata | 1980-05-27 |
| 4189541 | Method for producing heat resistant and flame resistant polyisocyanurate foams using little or no organosilicone surfactant | Toru Okuyama, Katsuhiko Arai, Akira Suzuki, Minoru Kojima, Yoshiko Taniguchi +2 more | 1980-02-19 |