Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992218 | Process for producing a polarizing film | Ryozo Kawai, Masaki Nagata, Tamaki Kamimura | 1991-02-12 |
| 4861854 | Photosensitive polyimide precursor | Takao Kawaki, Makoto Kobayashi, Katsushige Hayashi, Masahito Watanabe | 1989-08-29 |
| 4751022 | Humidity-sensing component composition | Tadashi Shimomura, Hidechika Wakabayashi, Osamu Kondo, Kazuharu Ogasawara, Chiharu Nishizawa | 1988-06-14 |
| 4686131 | Silylated polyphenylene ether membrane for gas separation | Masao Okabe, Masamichi Mizukami, Yoshihiko Sekine | 1987-08-11 |
| 4683255 | Polyphenylene ether resin composition having excellent fire retardancy | Masao Okabe, Akikazu Amagai | 1987-07-28 |
| 4670535 | Photosensitive polyimide precursor and process for producing the same | Takao Kawaki, Katsushige Hayashi | 1987-06-02 |
| 4663376 | Polyphenylene ether resin composition | Masao Okabe, Toshihiko Kobayashi | 1987-05-05 |
| 4614773 | Novel polyphenylene ether resin composition | Masao Okabe, Akikazu Amagai | 1986-09-30 |
| 4590239 | Polyphenylene ether resin composition suitable for electroless plating | Masanobu Masu, Akikazu Amagai, Toshihiko Kobayashi | 1986-05-20 |
| 4556685 | Polyphenylene ether resin composition | Masanobu Masu, Toshihiko Kobayashi | 1985-12-03 |
| 4532306 | Polyphenylene ether resin composition | Masao Okabe | 1985-07-30 |
| 4503186 | Curable resin composition | Masanobu Masu, Masatugu Matunaga, Hidenori Kimpara | 1985-03-05 |
| 4496695 | Curable resin composition | Masanobu Masu, Masatugu Matunaga | 1985-01-29 |
| 4489186 | Polyphenylene ether resin composition | Masanobu Masu, Masao Okabe, Eiji Ukita | 1984-12-18 |
| 4472546 | Polyphenylene ether resin composition | Masanobu Masu, Masao Okabe, Eiji Ukita | 1984-09-18 |
| 4463164 | Process for preparing polyphenylene ethers | William O. Dalton, Michael K. Rinehart | 1984-07-31 |
| 4448931 | Polyphenylene ether resin | Masanobu Masu, Akikazu Amagai | 1984-05-15 |
| 4427814 | Polyphenylene ether resin composition having improved heat stability | Masanobu Masu, Masao Okabe, Yukio Sasaki, Kozo Ishiyama | 1984-01-24 |
| 4389516 | Curable polyphenylene ether resin composition | Masanobu Masu, Masatugu Matunaga | 1983-06-21 |
| 4383066 | Polyphenylene ether resin composition | Masanobu Masu, Masao Okabe, Kozo Ishiyama | 1983-05-10 |
| 4343929 | Process for continuously polymerizing trioxane | Kazuyoshi Taka, Akira Amemiya, Tomotaka Furusawa, Mutsuhiko Takeda, Katsumasa Tanaka +2 more | 1982-08-10 |
| 4342680 | Stabilized oxymethylene copolymer composition | Akira Amemiya, Masaharu Kimura, Yoshiharu Otuki, Kiyokazu Kawaguchi | 1982-08-03 |
| 4341879 | Polyphenylene ether resin composition having improved heat stability and impact strength | Masanobu Masu, Masao Okabe, Masatugu Matunaga, Kozo Ishiyama | 1982-07-27 |
| 4339569 | Process for continuous production of oxymethylene polymer or copolymer | Akira Amemiya, Tadashi Kunii, Tomotaka Furusawa, Mutsuhiko Takeda, Katsumasa Tanaka +1 more | 1982-07-13 |
| 4305879 | Process for producing a 2-tertiary-alkyl substituted anthraquinones | Shizuo Togo, Muneo Ito, Chiharu Nishizawa | 1981-12-15 |