Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640608 | Cleaning method for use in electrophotography | Toshiaki Higaya, Masaaki Ogura, Kiyozo Hashizume, Toshiyuki Ogawa, Nachio Seko | 1987-02-03 |
| 4203663 | Computer controlled electrostatic copying machine | Masaaki Ogura, Nachio Seko | 1980-05-20 |