Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483249 | Hammer lock releasing mechanism for a printing device | Takemitsu Ono, Yukio Ishikawa | 1984-11-20 |
| 4326459 | Hammer lock releasing mechanism for a printing device | Takemitsu Ono, Yukio Ishikawa | 1982-04-27 |