Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847631 | Charge and deflection control type ink jet printer | Osamu Naruse, Sadao Kakeno, Chuji Ishikawa, Masanori Horike | 1989-07-11 |
| 4786981 | Edit mode controller | Seiji Saitou | 1988-11-22 |