Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5130755 | Cleaning device | Akihito Ikegawa, Toshiya Natushara, Hiroshi Mizuno | 1992-07-14 |
| 5128722 | Developing device excellent in toner transportability | Toshiya Natsuhara, Hiroshi Mizuno, Akihito Ikegawa | 1992-07-07 |
| 5124753 | Developing device | Shingo Asai, Masahiko Adachi, Hiroaki Shinkawa | 1992-06-23 |
| 5080037 | Developing device | Shuichi Nakagawa | 1992-01-14 |
| 5061963 | Monocomponent developing device | Akihito Ikegawa, Hiroshi Mizuno, Toshiya Natsuhara, Masashi Yamamoto | 1991-10-29 |
| 5057868 | Developing apparatus having a sealing construction for preventing a toner leakage | Hitoshi Sekino, Hirofumi Hasegawa, Shuichi Nakagawa | 1991-10-15 |
| 5052335 | Electrostatic latent image developing device | Toshiya Natsuhara, Hiroshi Mizuno | 1991-10-01 |
| 5035197 | Developing device | Toshiya Natsuhara, Hiroshi Mizuno | 1991-07-30 |
| 5008708 | Monocomponent developing device | Toshiya Natsuhara, Masashi Yamamoto | 1991-04-16 |
| 4990963 | Developing member composed of conductive particles in a dielectric material and having a variable volume resistivity | Masashi Yamamoto, Toshiya Natsuhara, Fumio Masuda | 1991-02-05 |
| 4987454 | Developing method for developing electrostatic latent image | Toshiya Natsuhara, Hiroshi Mizuno, Masahiro Anno, Junji Machida | 1991-01-22 |
| 4974028 | Electrostatic latent image developing device for monocomponent toner comprising plural toner transport members with different electroconductivity | Toshiya Natsuhara, Hiroshi Mizuno, Masashi Yamamoto | 1990-11-27 |
| 4967240 | Recording apparatus | Hiroshisa Kitano, Itaru Saito, Ken Matsubara, Kouichi Shingaki, Tomohiko Masuda | 1990-10-30 |
| 4920916 | Electrostatic latent image developing device | Hiroshi Mizuno, Toshiya Natsuhara, Akihito Ikegawa, Masasi Yamamoto, Hiroshi Murasaki | 1990-05-01 |
| 4907032 | Monocomponent developing device | Toshiya Natsuhara, Masashi Yamamoto | 1990-03-06 |
| 4791882 | Loosely mounted outer sleeve member with biasing means | Masashi Yamamoto, Toshiya Natsuhara | 1988-12-20 |
| 4486014 | Apparatus for discharging sheets of paper | Mikio Masui | 1984-12-04 |
| 4436406 | Paper feeder for recording apparatus | Hiroshi Murasaki, Masaya Ogawa, Mikio Masui | 1984-03-13 |
| 4277165 | Photocopying machine equipped with variable magnification arrangement | Kenichi Wada, Hiroshi Murasaki, Takao Fujiwara | 1981-07-07 |
| 4248520 | Electrophotographic copying apparatus with improved fixing arrangement | Takaji Kurita | 1981-02-03 |