Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892678 | Thiophene derivative polymer and a polymer composition thereof | Susumu Tanaka, Masaaki Sato, Kyoji Kaeriyama, Takao Hiraide | 1990-01-09 |
| 4877852 | Thiophene derivative polymer and a polymer composition thereof | Susumu Tanaka, Masaaki Sato, Kyoji Kaeriyama, Takao Hiraide | 1989-10-31 |
| 4845132 | Hydrophilic porous membrane, method for production thereof, and plasma separator using said membrane | Toshio Masuoka, Okihiko Hirasa, Makoto Onishi, Yukio Seita | 1989-07-04 |
| 4822848 | Hydrophilic-hydrophobic thermally reversible type polymer and method for production thereof | Shoji Ito, Kensaku Mizoguchi | 1989-04-18 |
| 4792645 | Process for producing electroconductive fibrous shaped-articles | Yukimichi Nakao, Kyoji Kaeriyama, Tomoyuki Imai, Osamu Oze, Nanao Horiishi | 1988-12-20 |
| 4737557 | 3-N-higher alkylthiophene polymer and composition thereof | Masaaki Sato, Susumu Tanaka, Kyoji Kaeriyama | 1988-04-12 |
| 4691005 | Thiophene derivative polymer, polymer composition, and methods for manufacture thereof | Masaaki Sato, Susumu Tanaka, Kyoji Kaeriyama | 1987-09-01 |
| 4336211 | Method for the preparation of shaped articles of a vinyl chloride based resin having improved surface properties | Michihiko Asai, Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura | 1982-06-22 |
| 4276138 | Method for reducing electrostatic charging on shaped articles of polyvinyl chloride resins | Michihiko Asai, Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura | 1981-06-30 |
| 4272464 | Method for preventing plasticizer bleeding on polyvinyl chloride shaped articles | Michihiko Asai, Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura | 1981-06-09 |
| 4261806 | Method for the treatment of inner surfaces of a tubular body of a plastic with low temperature plasma | Michihiko Asai, Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura | 1981-04-14 |
| 4247440 | Method for preventing plasticizer bleeding on polyvinyl chloride shaped articles | Michihiko Asai, Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura | 1981-01-27 |
| 4233419 | Method for preventing plasticizer bleeding on polyvinyl chloride shaped articles | Michihiko Asai, Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura | 1980-11-11 |