Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6125243 | Toner replenishing and developer replacing device for a developing unit of an image forming apparatus | Hisashi Shoji, Tsukuru Kai, Nobuto Yokokawa, Kiyonori Tsuda, Satoshi Hatori | 2000-09-26 |
| 5915155 | Toner replenishing and developer replacing device for a developing unit of an image forming apparatus | Hisashi Shoji, Tsukuru Kai, Nobuto Yokokawa, Kiyonori Tsuda, Satoshi Hatori | 1999-06-22 |
| 4965871 | Continuous plural page copying method for a copier | Masaaki Ogura, Junji Kurokawa, Masaji Ito, Toshiaki Hayasaka | 1990-10-23 |