Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080993 | Method to produce a photoreceptor for electrophotography using diamond bit followed by etching | Yukihiro Maruta | 1992-01-14 |
| 4936948 | Method for producing a light sensitive body for electronic photography use | Yasushi Ohki | 1990-06-26 |