Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5717055 | Production method of polycarbonate resin pellets | Tatsuhide Hosomi, Toshiaki Takata, Yuji Mori | 1998-02-10 |
| 5438108 | Graft precursor and process for producing grafted aromatic polycarbonate resin | Takayuki Watanabe, Tatsuo Iwai, Motoyuki Sugiura | 1995-08-01 |
| 5427998 | Method for preparing a thermal transfer image-receiving sheet involving a polycarbonate dye-receiving layer | Satoshi Kanayama | 1995-06-27 |
| 5426159 | Process for producing grafted polycarbonate resin | — | 1995-06-20 |
| 5244605 | Process for producing halogenated polycarbonate molded article | Toshiaki Asoh | 1993-09-14 |
| 5116547 | Method of coloring polycarbonate extruded or molded products for optical members | Shuji Tsukahara, Kazuyoshi Ichise | 1992-05-26 |
| 5095049 | Process for producing a low-particle-content transparent thermoplastic resin solution | Kenji Maeda, Yuki Ohtani, Takeaki Megumi | 1992-03-10 |
| 5073313 | Process for producing low-dust-level polycarbonate molded article | Makoto Matsumura, Toshiaki Izumida, Kazuyuki Akahori | 1991-12-17 |
| 4918160 | Method for producing purified polycarbonate resin with fluid containing CO.sub.2 | Shigeo Kondoh | 1990-04-17 |
| 4845193 | Process for producing polycarbonate resin molding material having low particle content with vented extruder | Kenji Maeda, Yutaka Kojima, Toshiaki Izumida, Kou Tanabe | 1989-07-04 |
| 4681927 | Process for producing oxymethylene copolyer | Isamu Masumoto, Yukihiro Iha | 1987-07-21 |
| 4526921 | Acetal resin composition | Masanori Sakurai, Junichi Miyawaki, Akiyoshi Shibata | 1985-07-02 |
| 4506053 | Acetal resin composition | Masanori Sakurai, Junichi Miyawaki, Toshikatsu Kawata, Shinzi Kiboshi, Akiyoshi Shibata | 1985-03-19 |
| 4366305 | Process for heat stabilizing oxymethylene copolymers | Akira Amemiya, Tadashi Kunii, Tomotaka Furusawa, Mutsuhiko Takeda, Katsumasa Tanaka +4 more | 1982-12-28 |
| 4343929 | Process for continuously polymerizing trioxane | Akitoshi Sugio, Kazuyoshi Taka, Akira Amemiya, Tomotaka Furusawa, Mutsuhiko Takeda +2 more | 1982-08-10 |
| 4339569 | Process for continuous production of oxymethylene polymer or copolymer | Akitoshi Sugio, Akira Amemiya, Tadashi Kunii, Tomotaka Furusawa, Mutsuhiko Takeda +1 more | 1982-07-13 |
| 4301273 | Process for stabilizing oxymethylene copolymers | Akitoshi Sugio, Akira Amemiya, Tadashi Kunii, Tomotaka Furusawa, Mutsuhiko Takeda +1 more | 1981-11-17 |
| 4189565 | Process for polymerizing trioxane | Akitoshi Sugio, Akira Amemiya, Tetsuya Abe, Tomotaka Furusawa, Takeo Suzumori +6 more | 1980-02-19 |