Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340296 | Electrophotographic apparatus | Katsunobu Ohara, Keiji Tanaka, Yujiro Ando | 1982-07-20 |
| 4332876 | Electrophotographic screen | Katsunobu Ohara, Keiji Tanaka, Yujiro Ando | 1982-06-01 |