Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335198 | Process for recording | Hiroshi Hanada, Hitoshi Hanadate, Yoko Oikawa | 1982-06-15 |
| 4316948 | Photoconductive CdS powder material for electrophotography | Yuji Nishigaki, Kazumi Okano | 1982-02-23 |