Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362795 | Process for producing rubber-containing graft copolymer particles | Koji Matsumoto, Susumu Hirano | 1994-11-08 |
| 5349017 | Polyvinyl chloride resin composition | Koji Matsumoto, Masahiro Osuka, Naomi Uno | 1994-09-20 |
| 5306763 | Process for the preparation of rubber-containing graft copolymer particles | Koji Matsumoto | 1994-04-26 |
| 5299984 | Frictional transmission chain | Hiroki Ishida, Masao Maruyama, Nobuyuki Fujimoto | 1994-04-05 |