Issued Patents 1997
Showing 1–5 of 5 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, Yasushi Nakazato, Satoshi Muramatsu, Yoshiko Ishii +2 more | 1997-06-10 |
| 5619316 | Image forming apparatus | Hisashi Shoji, Tsukuru Kai, Yoshiko Ishii, Nobuto Yokokawa, Masako Suzuki +1 more | 1997-04-08 |
| 5610725 | Communication system for managing data of resources of image forming unit | Yasuo Kawada, Hidenori Sakai, Makoto Obu, Katsuhiro Echigo, Yasuhiro Kawashima +1 more | 1997-03-11 |
| 5606408 | Image forming apparatus and cleaning device therefor | Hisashi Shoji, Tsukuru Kai, Osamu Endo, Yoshiko Ishii, Nobuto Yokokawa +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, Nobuto Yokokawa | 1997-01-28 |