Issued Patents All Time
Showing 1–25 of 137 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10862450 | Elastic wave device | Masaharu Fujiya | 2020-12-08 |
| 10319682 | Electronic component device, method of mounting electronic component device on circuit board, and mounting structure of electronic component device on circuit board | — | 2019-06-11 |
| 9799819 | Elastic wave device | Yasuaki Shin, Hiroyuki Nishi | 2017-10-24 |
| 9543924 | Ladder surface acoustic wave filter | — | 2017-01-10 |
| 9046860 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Yoshihiro Ito, Toshiharu Kawai | 2015-06-02 |
| 8725042 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Yoshihiro Ito, Toshiharu Kawai | 2014-05-13 |
| 8285400 | Digital controller for controlling output voltage under large variations in load and supply voltage | Kouji Higuchi, Kazushi Nakano, Tatsuyoshi Kajikawa, Eiji Takegami, Satoshi Tomioka | 2012-10-09 |
| 8099199 | Digital controller | Eiji Takegami, Satoshi Tomioka, Kouji Higuchi, Kazushi Nakano, Tatsuyoshi Kajikawa | 2012-01-17 |
| 7920806 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2011-04-05 |
| 7660545 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2010-02-09 |
| 7630661 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2009-12-08 |
| 7620462 | Robust digital controller and its designing device | Kouji Higuchi, Kazushi Nakano, Tatsuyoshi Kajikawa, Eiji Takegami, Satoshi Tomioka | 2009-11-17 |
| 7489885 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2009-02-10 |
| 7403733 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Isao Ikemoto | 2008-07-22 |
| 7274896 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Toshiharu Kawai, Yoshihiro Ito | 2007-09-25 |
| 7248814 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Toshiharu Kawai, Yoshihiro Ito | 2007-07-24 |
| 7231161 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2007-06-12 |
| 7156797 | Assembling method for developing roller | Noriyuki Komatsu, Ryuta Murakami | 2007-01-02 |
| 7092655 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2006-08-15 |
| 6999696 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Shinya Noda, Shinichi Sasaki, Akihiro Toma, Isao Ikemoto, Akira Higeta | 2006-02-14 |
| 6987938 | Process cartridge and image forming apparatus | Ryuta Murakami, Toshiyuki Karakama | 2006-01-17 |
| 6970667 | Developing apparatus having a sheet preventing a developing agent from leaking out of a container opening | Toru Oguma, Noriyuki Komatsu | 2005-11-29 |
| 6898392 | Process cartridge and electrophotographic image forming apparatus | Toshiyuki Karakama, Kazuhide Kudo, Ryuta Murakami | 2005-05-24 |
| 6885838 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE DRUM HAVING TWISTED PROJECTION COUPLING MEMBER ENGAGEABLE WITH TWISTED HOLE DRIVING COUPLING OF MOTOR, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS USING SAME | Toshiharu Kawai, Yoshihiro Ito | 2005-04-26 |
| 6868243 | Image forming apparatus having process cartridge with connection arrangement for side frame bodies | Akira Suzuki, Toru Oguma, Akiyoshi Yokoi | 2005-03-15 |