Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314962 | ABA type block copolymers | Shunichi Himori, Takashi Kiriyama | 1994-05-24 |
| 5209847 | Ultrathin membrane of polymethacrylate or polycrotonate and device provided with ultrathin membrane | Norihiro Kaiya, Naoyuki Amaya, Yoshishige Murata, Mikio Takagi, Kazuichi Tsuda +2 more | 1993-05-11 |
| 5104428 | Separation membrane | Toru Doi, Tomohiro Ishikawa, Akikazu Matsumoto | 1992-04-14 |
| 5102957 | Novel block copolymer of styrene and ethylene | Kiyoshi Endo | 1992-04-07 |
| 4933406 | Contact lens article made of silicon- and fluorine-containing resin | Keizo Anan, Naoyuki Amaya, Yoshishige Murata, Hiroshi Kawashima, Satoshi Kubota +1 more | 1990-06-12 |
| 4855374 | Optical resin from diallyl esters | Yoshishige Murata, Yasumi Koinuma, Naoyuki Amaya, Masafumi Nisimura | 1989-08-08 |
| 4670520 | Method for modifying polyfumaric acid diester | Yoshishige Murata, Naoyuki Amaya | 1987-06-02 |
| 4477599 | Method of preparing a low density, nonflammable polyvinyl foam composition | Hirosuke Kojima | 1984-10-16 |