Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362801 | Copper phthalocyanine photosensitive material for electrophotography with binder and an oxadiazole | Teruo Yagishita, Seiji Okada, Hirofumi Okuyama | 1982-12-07 |
| 4352877 | Electrophotographic developing process using flash fixation and toner therefor | Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita, Hirohumi Okuyama | 1982-10-05 |