Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740507 | Densely packed toner container and method of producing the same | Sunao Ikeda, Nobuhiro Makita, Michiharu Narushima, Seiji Terazawa, Masakazu Nakada +1 more | 1998-04-14 |
| 5727607 | Powder feeding method and apparatus for feeding powders with a fluid with increased precision | Sunao Ikeda, Michiharu Narushima, Nobuhiro Makita | 1998-03-17 |
| 5711353 | Powder filling method and powder filling device | Sunao Ikeda, Michiharu Narushima, Nobuhiro Makita | 1998-01-27 |
| D389176 | Toner bottle | Toshinobu Nishizaki | 1998-01-13 |
| 5655195 | Toner cartridge for a developing device included in an image forming apparatus | Seiji Terazawa, Sunao Ikeda | 1997-08-05 |
| 5627631 | Developer replenishing device and developer container for use therewith | Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more | 1997-05-06 |
| D376614 | Toner bottle | Toshinobu Nishizaki | 1996-12-17 |
| 5500719 | Developer replenishing device and developer container for use therewith | Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more | 1996-03-19 |
| 5489976 | Toner replenishing device for a developing device of an image forming apparatus | — | 1996-02-06 |
| D365359 | Toner bottle | Hiroaki Sugiyama | 1995-12-19 |
| 5455662 | Developer replenishing device and developer container for use therewith | Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more | 1995-10-03 |
| D356813 | Toner bottle | Toshinobu Nishizaki | 1995-03-28 |
| 5384630 | Pressure roller driver for sheet forwarding apparatus | Yasuo Nakamura, Yoshio Kogure, Takuji Miyazawa, Takahiko Ryuzaki | 1995-01-24 |
| 5362041 | Sheet registering unit for an image forming apparatus | Takahiko Ryuzaki, Yoshio Kogure, Yasuo Nakamura, Takuji Miyazawa | 1994-11-08 |
| 5322198 | Pump-equipped liquid supply system | — | 1994-06-21 |
| 5255828 | Liquid developer supply system with pump for discharging fixed amounts of liquid developer | — | 1993-10-26 |
| 4735983 | Flame-retardant styrene-base resin composition | Masato Takaku, Ichiro Otsuka, Keizi Iio, Nobuyuki Tashiro, Daizo Natsugari | 1988-04-05 |
| 4669854 | Electrostatic charge-removing device having filter | Mitsuharu Nakaguchi, Hidekazu Yumoto | 1987-06-02 |