Issued Patents All Time
Showing 51–75 of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5845183 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1998-12-01 |
| 5826144 | Developing device for an electrophotographic recording apparatus including bias control of a toner supplying roller | Eiji Takenaka, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1998-10-20 |
| 5768665 | Image forming apparatus with bias control to prevent undesirable toner deposition | Tetsuo Yamanaka, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1998-06-16 |
| 5734952 | Developing device for an image forming apparatus and toner cartridge for replenishing a fresh toner to the developing device | Eisaku Murakami | 1998-03-31 |
| 5708942 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1998-01-13 |
| 5697038 | Cleaner and toner magazine for electrophotographic apparatus | Hirotaka Hatta, Shigemi Kanda, Yozo Matsuura, Masahiko Kamijo | 1997-12-09 |
| 5697026 | Developing device having the lengths of two toner transporting rollers and an image bearing member in specific relationships | Iwao Matsumae, Kazuhiro Yuasa, Shuichi Endoh, Yoshiaki Tanaka, Hiroshi Hosokawa +6 more | 1997-12-09 |
| 5689782 | Developing apparatus for electronic photographic recording equipment, having two developer transfer rollers | Eisaku Murakami, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1997-11-18 |
| 5666625 | Device for electrostatically developing a latent image on an image carrier | Satoru Komatsubara, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1997-09-09 |
| RE35528 | Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine | Yozo Matsuura, Shiroh Kondoh, Kazuhiro Yuasa, Hiroyuki Kiyoi, Masanori Yoshimura +2 more | 1997-06-10 |
| 5625440 | Developing device having seals between a toner transport roller and the toner hopper which prevent toner leakage and scattering | Iwao Matsumae, Kazuhiro Yuasa, Shuichi Endoh, Yoshiaki Tanaka, Hiroshi Hosokawa +6 more | 1997-04-29 |
| 5625438 | Toner, and devices for electrostatically depositing a uniform application thereof | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1997-04-29 |
| 5625441 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1997-04-29 |
| 5617191 | Toner conveyor roller and image forming apparatus having the same | Eisaku Murakami, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1997-04-01 |
| 5610693 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1997-03-11 |
| 5598390 | Dual more recording and reproducing apparatus having two recording regions using differing reproduction principles | Hideki Takahashi | 1997-01-28 |
| 5592446 | Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles | Hideki Takahashi | 1997-01-07 |
| 5581525 | Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles | Hideki Takahashi | 1996-12-03 |
| 5555081 | Cleaner and toner magazine for electrophotographic apparatus | Hirotaka Hatta, Shigemi Kanda, Yozo Matsuura, Masahiko Kamijo | 1996-09-10 |
| 5552870 | Developing device for an image forming apparatus | Eisaku Murakami, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1996-09-03 |
| 5489747 | Developing device for an image forming apparatus | Eiji Takenaka, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1996-02-06 |
| 5486909 | Developing device for an image forming apparatus | Eiji Takenaka, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1996-01-23 |
| 5460666 | Method of manufacturing natural aging-retardated aluminum alloy sheet | Takeshi Fujita, Kohei Hasegawa, Shinji Mitao, Masataka Suga, Masakazu Niikura +1 more | 1995-10-24 |
| 5417919 | Aluminum alloy material having high strength and excellent formability | Koichi Ohori, Yoshinobu Komiyama, Masahiko Miyazaki | 1995-05-23 |
| 5418801 | Metal vapor lasers | — | 1995-05-23 |