Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983059 | Recyclable toner container for an image forming apparatus | Seiji Oka, Yasushi Akiba, Masakazu Nakada, Hiroyasu Itou | 1999-11-09 |
| 5860647 | Paper discharge device and storing unit for image forming apparatus | — | 1999-01-19 |
| 5598254 | Cartridge for replenishing two-ingredient developer to an image forming apparatus and a replenishing device using the same | Tsukuru Kai, Hidetoshi Yano, Nobuto Yokokawa | 1997-01-28 |
| 5508794 | Developer recycling system and developer cartridge therefor | Takeshi Iijima, Yuichi Ueno, Shigekazu Enoki, Atsushi Kawamura, Michihito Ohashi | 1996-04-16 |
| 5096177 | Recycling automatic document feeder for feeding documents of various size for use with a copier | Shiro Saeki, Goro Mori, Fumitaka Hyodou, Kunihiro Uotani | 1992-03-17 |
| 5060926 | Sheet feeder for an image forming apparatus | Tatsuya Murai, Mitsutoyo Kikuno, Masayuki Shinada | 1991-10-29 |
| 5008709 | Document recycling copier for copying documents of varying sizes | Masayuki Shinada, Mitsutoyo Kikuno, Tatsuya Murai | 1991-04-16 |
| 4878603 | Toner replenishing device | Takashi Ikeda | 1989-11-07 |
| 4744493 | Toner replenishing device | Takashi Ikeda | 1988-05-17 |
| 4700659 | Developing unit of dry type | Koji Hirakura | 1987-10-20 |
| 4657239 | Sheet aligning device | Yasuhiro Takahashi | 1987-04-14 |
| 4641945 | Developer supply device for dry process electrophotographic copier | Takashi Ikeda | 1987-02-10 |
| 4611730 | Toner replenishing device | Takashi Ikeda | 1986-09-16 |
| 4453493 | Toner recirculating and agitating device for dry process developing apparatus | Noboru Sawayama | 1984-06-12 |
| 4449810 | Electrophotographic copying machine with means for mixing and removing toner and an integral exposure plate | Nobuyuki Yanagawa | 1984-05-22 |
| 4277163 | Variable magnification electrostatic copying machine | Takashi Yano, Susumu Tatsumi, Hiroyuki Idenawa, Isao Nakamura, Tatsuo Tani | 1981-07-07 |
| 4239374 | Electrostatographic apparatus comprising automatic document type determination means | Susumu Tatsumi, Masao Hosaka, Nobuo Kasahara | 1980-12-16 |