Issued Patents All Time
Showing 126–150 of 164 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6249661 | Device for supporting an image carrier included in an image forming apparatus | Hiroshi Saitoh | 2001-06-19 |
| 6212343 | Developing device, process cartridge and image forming apparatus that prevent toner leakage | Tetsuo Yamanaka, Kenetsu Osanai, Kenichiroh Nagai | 2001-04-03 |
| 6163666 | Process cartridge and an image forming apparatus using the same process cartridge and a method of manufacturing the same process cartridge | Tetsuo Yamanaka, Kenetsu Osanai, Kenichirou Nagai | 2000-12-19 |
| D433441 | Toner cartridge | Masahiro Yonekawa, Nahoko Aizawa, Tetsuo Yamanaka | 2000-11-07 |
| 6060699 | Electrode structure for high temperature heated body | Kazuhiro Sakurai | 2000-05-09 |
| 6033818 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 2000-03-07 |
| 5930561 | Process cartridge and image-formation device suitable for miniaturization | Tetsuo Yamanaka, Masahiro Yonekawa, Nahoko Aizawa | 1999-07-27 |
| 5896150 | Ink-jet type recording head | Atsushi Kobayashi, Tatsuo Furuta, Fumiyuki Kanai, Shinri Sakai | 1999-04-20 |
| 5879752 | Method of coating a toner conveyor roller | Eisaku Murakami, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1999-03-09 |
| 5853853 | Flat filaments provided with ribs and raw fibers for pile fabrics | Yoshihiro Nishihara, Hideo Masaoka, Fumio Takemoto, Seizo Oishi | 1998-12-29 |
| 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 |
| 5819145 | Image forming device for forming a uniform toner layer on a developing roller | Yoshiaki Tanaka, Shigekazu Enoki, Iwao Matsumae | 1998-10-06 |
| 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 |
| 5708942 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1998-01-13 |
| 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, Mugijiroh Uno +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 |
| 5627630 | Developing apparatus having a toner supporting roller with an inner layer and surface layer | Iwao Matsumae, Yoshiaki Tanaka, Shigekazu Enoki | 1997-05-06 |
| 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 |
| 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, Mugijiroh Uno +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 |
| 5580473 | Methods of removing semiconductor film with energy beams | Wataru Shinohara, Yasuaki Yamamoto | 1996-12-03 |