Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093768 | Syndiotactic styrene resin, thermoplastic resin and rubber | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 2000-07-25 |
| 6087435 | Composition of styrene resin, thermoplastic resin and rubber particles | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 2000-07-11 |
| 6051655 | Styrene-based resin composition with thermoplastic resin | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 2000-04-18 |
| 6046275 | Styrene resin with rubber polymer particles | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 2000-04-04 |
| 6043307 | Styrene-based resin composition | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 2000-03-28 |
| 6013726 | Composition of styrene resin, thermoplastic resin and rubber | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 2000-01-11 |
| 6008293 | Syndiotactic polystyrene and polycarbonate resin compositions | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 1999-12-28 |
| 5990217 | Styrene based resin composition | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 1999-11-23 |
| 5891951 | Styrene-based resin composition | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 1999-04-06 |
| 5777021 | Composition of styrene polymer and polar group-containing polyphenylene ether | — | 1998-07-07 |
| 5703164 | Styrene polymer composition | — | 1997-12-30 |
| 5496919 | Process for production of styrene-based polymer moldings | — | 1996-03-05 |
| 5395890 | Styrene-based resin composition | Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more | 1995-03-07 |
| 5270353 | Resin composition | Takashi Sumitomo, Komei Yamasaki, Keisuke Funaki | 1993-12-14 |
| 5270442 | Styrene-based polymer moldings | — | 1993-12-14 |
| 5247020 | Process for producing a styrene polymer composition | Hideo Teshima, Masahiko Kuramoto | 1993-09-21 |
| 5219940 | Styrene polymer composition | — | 1993-06-15 |
| 5200454 | Flame-retardant resin composition | — | 1993-04-06 |
| 5165990 | Stampable sheet | — | 1992-11-24 |
| 5166238 | Styrene-based resin composition | Toshihiro Furusawa, Toshikazu Ijitsu, Masakazu Suzuki, Nobuhide Ishihara, Masahiko Kuramoto +4 more | 1992-11-24 |
| 5127158 | Process for producing a printed circuit board with a syndiotactic polystyrene support | — | 1992-07-07 |
| 5109068 | Styrene-based polymer composition, stretched molding thereof and process for producing the same | Komei Yamasaki, Keisuke Funaki, Takashi Sumitomo | 1992-04-28 |
| 5071953 | Method for the preparation of amorphous syndiotactic styrene-based polymer and a method for shaping the same | Masahiko Kuramoto, Masakazu Suzuki, Michihiro Sawada | 1991-12-10 |
| 5034441 | Styrene-based resin composition and process for producing molding products thereof | Takashi Sumitomo | 1991-07-23 |