Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078303 | Mechanism for mounting and removing a toner cartridge of a development device | Hiroshi Kikuchi, Kiyoshi Matsuda, Hisao Ono | 1992-01-07 |
| D321716 | Toner cartridge | Hiroshi Kikuchi, Hisao Ono, Shigeki Nakajima | 1991-11-19 |
| 4940222 | Paper feed device and paper cassette therefor | Mikihiko Maeno, Yukio Ohta, Hisao Ono, Katsumasa Takahata, Kazuyuki Ozono +2 more | 1990-07-10 |
| 4874159 | Paper feed device and paper cassette therefor | Mikihiko Maeno, Yukio Ohta, Hisao Ono, Katsumasa Takahata, Kazuyuki Ozono +2 more | 1989-10-17 |