Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8977153 | Image forming apparatus which uses an AC voltage and/or a DC voltage at a transfer nip depending on a surface roughness of a recording sheet | Hiromi Ogiyama, Tomokazu Takeuchi, Kenji Sengoku, Hiroyoshi Haga, Shinya Tanaka | 2015-03-10 |
| 8965227 | Image forming apparatus including forced toner consumption control | Takehide Mizutani, Shinya Tanaka, Hirokazu Ishii, Keigo Nakamura | 2015-02-24 |
| 8948644 | Power supply module and image forming apparatus including same | Junpei Fujita, Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama, Kenji Sengoku | 2015-02-03 |
| 8934822 | Transfer device and image forming apparatus | Ryuuichi Mimbu, Shinya Tanaka, Hirokazu Ishii, Keigo Nakamura, Hiromi Ogiyama +1 more | 2015-01-13 |
| 8929786 | Image forming apparatus, system, and method using a superimposed voltage signal and a direct voltage signal | Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama, Kenji Sengoku, Junpei Fujita +1 more | 2015-01-06 |
| 8891996 | Power supply module and image forming apparatus including same | Junpei Fujita, Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama, Kenji Sengoku | 2014-11-18 |
| 8824941 | Image transfer device and image forming apparatus incorporating same | Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama, Kenji Sengoku | 2014-09-02 |
| 8805223 | Image forming apparatus, image forming system, and transfer method | Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama, Kenji Sengoku, Junpei Fujita | 2014-08-12 |
| 8787806 | Image forming apparatus | Keigo Nakamura, Hirokazu Ishii, Hiromi Ogiyama, Shinya Tanaka | 2014-07-22 |
| 8682231 | Image forming apparatus | Kenji Sengoku, Hiroyoshi Haga, Hiromi Ogiyama, Tomokazu Takeuchi | 2014-03-25 |
| 8682189 | Transfer device and image forming apparatus incorporating transfer device | — | 2014-03-25 |
| 8275275 | Image forming apparatus | Emiko Ishikawa, Hiromi Ogiyama, Akio Kosuge, Ken Yoshida, Jun Yura +4 more | 2012-09-25 |
| D556712 | Memory-card audio recorder | Haruki Takita | 2007-12-04 |
| D555144 | Digital audio disc player | Haruki Takita | 2007-11-13 |
| D555169 | Digital audio player | Satoshi Sukeguchi | 2007-11-13 |
| D546814 | Guitar amplifier with digital audio disc player | Haruki Takita | 2007-07-17 |
| D538777 | Digital audio disc player | Haruki Takita | 2007-03-20 |
| D521499 | Controller for digital audio disk player | Haruki Takita | 2006-05-23 |
| D518470 | Hard disc recorder with audio mixer | Haruki Takita | 2006-04-04 |
| D489726 | Audio interface for computer | Haruki Takita | 2004-05-11 |
| D485252 | Digital audio disc player | Haruki Takita | 2004-01-13 |
| 6661753 | Recording medium reproducing device having tempo control function, key control function and key display function reflecting key change according to tempo change | Hideo Inoue, Saiji Tutiya, Kenji Oniki | 2003-12-09 |
| D480399 | Controller for personal computer | Haruki Takita | 2003-10-07 |
| 6608803 | Recording medium reproduction apparatus | Hideo Inoue, Saiji Tutiya, Kenji Oniki | 2003-08-19 |
| D477589 | Audio mixer with memory card recording and reproducing device | Haruki Takita | 2003-07-22 |