Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248578 | Electrophotographic photoreceptor having epoxy compounds in the charge generator layer | Kazuchiyo Takaoka | 1993-09-28 |
| 5171651 | Electrophotographic photoreceptor with a carrier transport layer containing a hydroquinone compound | Kazuchiyo Takaoka, Makoto Okaji | 1992-12-15 |
| 5141831 | Electrophotographic photoreceptor | Akira Itoh, Hideki Nagamura | 1992-08-25 |