Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4615964 | Vapor-deposited film of selenium as photoreceptor for electrophotography and process for producing the same | Osamu Oda, Akio Koyama | 1986-10-07 |
| 4585621 | Vapor-deposited film of selenium or selenium alloy for electrophotography | Osamu Oda, Akio Koyama | 1986-04-29 |