Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171814 | Alpha-methylstyrene high-content copolymers, a process for their production and thermoplastic resin compositions containing alpha-methylstyrene high-content copolymers | Shigemi Mathumoto | 1992-12-15 |
| 4761463 | Thermoplastic resin composition having a matte appearance | Shigemi Matsumoto | 1988-08-02 |
| 4737532 | Thermoplastic resin composition containing wood flour | Tamio Fujita | 1988-04-12 |
| 4694032 | Process for preparing thermoplastic resin composition | Osamu Kakimoto | 1987-09-15 |
| 4594387 | Thermoplastic resin composition having toughness and high thermal deformation resistance | Eiichi Muramatsu, Sigemi Mathumoto | 1986-06-10 |
| 4526928 | .alpha.-Methylstyrene high-content copolymers, a process for their production and thermoplastic resin compositions containing .alpha.-methylstyrene high-content copolymers blended with graft copolymers | Shigemi Mathumoto | 1985-07-02 |
| 4525530 | Thermoplastic resin compositions | Sigemi Mathumoto, Hidetaka Kubota | 1985-06-25 |
| 4518742 | Thermoplastic resin composition having toughness and high heat distortion resistance | Eiichi Muramatsu, Shigemi Matsumoto | 1985-05-21 |
| 4486569 | Polyvinyl chloride composition | Tamio Fujita | 1984-12-04 |
| 4450256 | Process for producing thermoplastic resin | Sigemi Matsumoto | 1984-05-22 |