Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451351 | Method for preparing gel with calcium salts of organic acids | Susumu KAWASHIMA | 2002-09-17 |
| 6284745 | Gel compositions | Susumu KAWASHIMA | 2001-09-04 |
| 5237017 | Process for producing imidized acrylic resins | Kazuhiko Akiyama, Yoshihiro Itagaki | 1993-08-17 |
| 5070172 | Process for producing polyurethane | Koji Hirai, Shunro Taniguchi, Michihiro Ishiguro, Shinichi Yokota, Masao Ishii +2 more | 1991-12-03 |
| 4833217 | Polycarbonate resin composition | Keishiro Igi, Takayuki Okamura, Shunro Taniguchi, Masao Ishii, Shinichi Yokota +3 more | 1989-05-23 |
| 4657973 | Polycarbonate resin composition | Hideki Endo, Kazuto Hashimoto, Kenji Tanaka, Takeshi Matsumoto, Keishiro Igi +4 more | 1987-04-14 |
| 4639471 | Process for producing polyester polyurethane | Koji Hirai, Shunro Taniguchi, Michihiro Ishiguro, Shinichi Yokota, Masao Ishii +2 more | 1987-01-27 |
| 4504531 | Polyester, adhesives comprising the same, and laminates and laminated hollow vessels made thereof | Keishiro Igi, Hiroshi Narukawa, Masao Uetsuki, Satoshi Bando, Shuji Kawai +1 more | 1985-03-12 |
| 4496714 | Polyester, adhesives comprising the same, and laminates and laminated hollow vessels made thereof | Keishiro Igi, Hiroshi Narukawa, Masao Uetsuki, Satoshi Bando, Shuji Kawai +1 more | 1985-01-29 |