Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264695 | Electrophotographic photosensitive material with electron donors and electron acceptors | Akio Kozima, Mitsuru Hashimoto, Masafumi Ohta, Masaomi Sasaki | 1981-04-28 |
| 4242434 | Toner composition for multiple copy electrostatic photography | Koji Hirakura, Itsuo Ikeda, Wasaburo Ohta | 1980-12-30 |