Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101233 | Electrophotographic recording apparatus indicating a wear rate for consumable parts | Naoji Akutsu, Takehiko Okubo, Koichi Negishi, Kazuhiko Itoh | 1992-03-31 |
| 4916464 | Light emitting diode array print head having no bonding wire connections | Naoji Akutsu, Yuhei Itasaka | 1990-04-10 |