Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9226364 | LED lighting circuit, LED illumination device, and LED illumination unit socket | Takashi Akiyama | 2015-12-29 |
| 8547027 | LED drive circuit | Takashi Akiyama, Rintaro Takahashi, Ryoichi Watanabe | 2013-10-01 |
| 8306444 | Image forming apparatus | — | 2012-11-06 |
| 8260177 | Conveyance member, developer cartridge, and image-forming apparatus | Tomohiro Takeda, Ryoji Sugimoto, Masatoshi Norigoe | 2012-09-04 |
| 7395002 | Image forming apparatus and output image density correction method | Yasuhiro Funayama, Makoto Kanai, Masaru Sakuma, Kiyoshi Nagamine | 2008-07-01 |
| 6072512 | Electrophotographic printing apparatus with controller for varying light intensity | — | 2000-06-06 |
| 5832335 | Control method for a transfer process in an electrophotographic process | — | 1998-11-03 |
| 5479244 | Charger for charging an image holding member included in an image forming apparatus | Mabumi Kashihara | 1995-12-26 |
| 5373353 | Developing device for an image forming apparatus | — | 1994-12-13 |