Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8155539 | Image forming apparatus with electrostatic capacity detection | Shuhei Kawasaki, Yuji Kawaguchi | 2012-04-10 |
| 8155564 | Image forming apparatus | Yuji Kawaguchi, Shuhei Kawasaki, Daisuke Aoki | 2012-04-10 |
| 8150301 | Developing apparatus | Masahide Kinoshita, Hideo Kihara | 2012-04-03 |
| 7286788 | Image forming apparatus | Masahide Kinoshita, Masaki Ojima, Masao Uyama, Kazuhiro Okubo | 2007-10-23 |
| 7194226 | Image forming apparatus featuring an image bearing member charged by a charging means and a developer charge providing means | Yasunari Watanabe | 2007-03-20 |
| 7162167 | Image forming apparatus, method of adjusting developing unit of the apparatus, developing unit, and storage medium | Kenichi Iida, Masao Uyama, Masahide Kinoshita | 2007-01-09 |
| 7095966 | Image forming apparatus and unit, and storage medium mounted in the unit | — | 2006-08-22 |
| 7058338 | Image forming apparatus with reciprocating dispersing feature | Masaki Ojima, Masahide Kinoshita, Masao Uyama, Kazuhiro Okubo | 2006-06-06 |
| 6999690 | Image forming apparatus | Yasunari Watanabe | 2006-02-14 |
| 6963707 | Image forming apparatus including first and second auxiliary residual developer charging features | Masahide Kinoshita, Masaki Ojima, Masao Uyama, Kazuhiro Okubo | 2005-11-08 |
| 6950620 | Image forming apparatus with settable peak to peak voltages applied to image bearing member | Tadanobu Yoshikawa | 2005-09-27 |
| 6928253 | Image forming apparatus including toner charging member | Masaki Ojima, Masahide Kinoshita, Masao Uyama, Kazuhiro Okubo | 2005-08-09 |
| 6922539 | PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS IN WHICH THE CONTACT WIDTH OF A DEVELOPER CHARGER WITH AN IMAGE BEARING MEMBER IS GREATER THAN OR EQUAL TO THE SUM OF THE DEVELOPING WIDTH OF DEVELOPING MEANS AND THE WIDTH OF MOVEMENT OF THE DEVELOPER CHARGER | Masao Uyama, Masahide Kinoshita, Masaki Ojima, Kazuhiro Okubo | 2005-07-26 |
| 6807384 | Image forming apparatus | Kazuhiro Okubo, Masahide Kinoshita, Masaki Ojima, Masao Uyama | 2004-10-19 |
| 6744994 | Image forming apparatus with environmentally-controlled first and second charging members | Tadanobu Yoshikawa, Yasunari Watanabe | 2004-06-01 |
| 6654566 | Developer agitating system, electrophotographic image forming apparatus and cartridge | Seiji Yamaguchi, Masahide Kinoshita | 2003-11-25 |
| 6640063 | Image forming apparatus featuring first and second peak-to-peak charging voltages, respectively, corresponding to first and second image bearing member speeds and voltage frequencies | Yasunari Watanabe | 2003-10-28 |
| 6611668 | Image forming apparatus with residual developing charging feature | Yasunari Watanabe | 2003-08-26 |
| 6603941 | Image forming apparatus including first and second charge-applying devices disposed between developer transfer and charging positions on an image bearing body | Yasunari Watanabe | 2003-08-05 |
| 6532347 | Method of controlling an AC voltage applied to an electrifier | Yasunari Watanabe | 2003-03-11 |
| 6453139 | Image forming apparatus | Hiroshi Sasame, Hiroaki Ogata, Yasunari Watanabe, Shinya Yamamoto | 2002-09-17 |
| 6421516 | Developing device and image forming apparatus having a restricted developer surface level feature | Masahide Kinoshita, Seiji Yamaguchi | 2002-07-16 |
| 6421512 | Image forming apparatus with image bearing member charger that reduces the amount of toner electric charge | Yasunari Watanabe, Masao Uyama | 2002-07-16 |