Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357467 | Security circuit for protecting data stored in memory | — | 1994-10-18 |
| 5307135 | Color image forming apparatus having mono-color image forming function | Katsumi Amakawa, Haruo Yamamoto | 1994-04-26 |