Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092675 | Evaluation device of radio communication module | Yuki Suto, Katsumasa Takahashi, Go Katsura | 2024-09-17 |
| 7540319 | Heat transfer device | Masataka Mochizuki, Thang Nguyen, Massoud Kaviany | 2009-06-02 |
| 7246655 | Heat transfer device | Masataka Mochizuki, Thang Nguyen, Massoud Kaviany | 2007-07-24 |
| 6131902 | Sheet feeding paths for apparatus with feed paths selectable to correspond to desired function of apparatus | Masahiro Yonekawa | 2000-10-17 |
| 6033818 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 2000-03-07 |
| 5915157 | Sheet transport system and apparatus for an image-forming apparatus with crossing sheet transport paths | Masahiro Yonekawa | 1999-06-22 |
| 5897243 | Electrophotographic recording apparatus configured to switch a bias voltage in a developing unit | Satoru Komatsubara, Kazuhiro Yuasa, Mugijiroh Uno, Toshihiro Sugiyama, Tetsuo Yamanaka +1 more | 1999-04-27 |
| 5879752 | Method of coating a toner conveyor roller | Eisaku Murakami, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +6 more | 1999-03-09 |
| 5863036 | Sheet feeding device and image forming apparatus having the same | Yoshiaki Tanaka, Iwao Matsumae | 1999-01-26 |
| 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 | Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka, Hiroshi Hosokawa +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 |
| 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, Hiroshi Hosokawa +6 more | 1997-12-09 |
| 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 |
| 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 |
| 5625441 | Developing device for an image forming apparatus | Toshihiro Sugiyama, Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka +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 |
| 5623717 | Developing device for an image forming apparatus which uses bias voltages to attract charged toner | Yozo Matsuura | 1997-04-22 |
| 5617190 | Developing device for an image forming apparatus which reduces toner consumption and waste | Mugijiroh Uno | 1997-04-01 |
| 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 |
| 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 | Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka, Hiroshi Hosokawa +6 more | 1996-02-06 |
| 5486909 | Developing device for an image forming apparatus | Kazuhiro Yuasa, Shuichi Endoh, Iwao Matsumae, Yoshiaki Tanaka, Hiroshi Hosokawa +6 more | 1996-01-23 |