Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8175498 | Image forming apparatus and method that charges latent image carrier | Yoichi Yamada, Masaru Kobashi | 2012-05-08 |
| 7639977 | Image forming apparatus that performs charge elimination after secondary transfer to prevent winding of recording medium on intermediate transfer member | Masahiro Maeda, Yoichi Yamada, Takatomo Fukumoto | 2009-12-29 |
| 7190928 | Image-forming apparatus employing work function relationships | Nobuhiro Miyakawa | 2007-03-13 |
| 7135260 | Imaging system | Nobuhiro Miyakawa, Shinji Yasukawa, Nobumasa Abe, Masanao Kunugi, Yoshiro Koga | 2006-11-14 |
| 7027758 | Image forming apparatus employing work function relationships | Nobuhiro Miyakawa, Shinji Yasukawa, Nobumasa Abe, Kaneo Yoda | 2006-04-11 |
| 6829454 | Image forming apparatus with improved transfer efficiency | Nobuhiro Miyakawa, Shinji Yasukawa, Nobumasa Abe | 2004-12-07 |
| 6819899 | Image forming apparatus employing work function relationships | Nobuhiro Miyakawa, Shinji Yasukawa, Nobumasa Abe, Kaneo Yoda | 2004-11-16 |
| 6813458 | Image forming apparatus | — | 2004-11-02 |
| 6646663 | Image carrier and writing electrodes, method for manufacturing the same, and image forming apparatus using the same | Shinichi Kamoshida, Kaneo Yoda, Kenjiro Yoshioka | 2003-11-11 |