Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514485 | Developer for electrophotography having carrier particles, toner particles and electroconductive fine powders | Hisayuki Ushiyama, Hisayuki Ochi, Katsutoshi Wakamiya | 1985-04-30 |