Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302024 | Plunger tip for character printer hammer-unit | Notsu Risei, Ooike Hideki | 1989-07-04 |
| 4721400 | Hammer unit for printers | Notsu Risei, Ooike Hideki | 1988-01-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302024 | Plunger tip for character printer hammer-unit | Notsu Risei, Ooike Hideki | 1989-07-04 |
| 4721400 | Hammer unit for printers | Notsu Risei, Ooike Hideki | 1988-01-26 |