Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638159 | Developing unit for an image forming apparatus and method of collecting bicomponent developer therefrom | Tsukuru Kai, Nobuo Iwata, Hidetoshi Yano, Yasushi Nakazato, Satoshi Muramatsu +2 more | 1997-06-10 |
| 5619316 | Image forming apparatus | Hisashi Shoji, Hidetoshi Yano, Tsukuru Kai, Yoshiko Ishii, Masako Suzuki +1 more | 1997-04-08 |
| 5606408 | Image forming apparatus and cleaning device therefor | Hidetoshi Yano, Hisashi Shoji, Tsukuru Kai, Osamu Endo, Yoshiko Ishii +5 more | 1997-02-25 |
| 5598254 | Cartridge for replenishing two-ingredient developer to an image forming apparatus and a replenishing device using the same | Masumi Ikesue, Tsukuru Kai, Hidetoshi Yano | 1997-01-28 |