Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147142 | Impact type recording apparatus having reduced impact sound during return of the hammer | Tetsuya Saito | 1992-09-15 |
| 5010496 | Document processing system | — | 1991-04-23 |