Issued Patents All Time
Showing 351–353 of 353 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D260409 | Pinball machine | Toshio Yamamoto, Fumio Konuki | 1981-08-25 |
| 4246332 | Electrophotographic toner comprising low and high molecular weight blend of binder resins | Kenji Kobayashi, Shigeo Aonuma | 1981-01-20 |
| 4217406 | Cross-linking reaction during melt kneading produces resinous electrophotographic toner | Kenji Kobayashi, Shigeo Aonuma | 1980-08-12 |