Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268872 | Magnetic duplicator with multiple copies | Norio Kokaji, Kunio Kinoshita, Katsunori Saitoh | 1981-05-19 |
| 4232323 | Magnetographic apparatus | Norio Kokaji, Kunio Kinoshita, Katsunori Saito | 1980-11-04 |