Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8243865 | Data processing apparatus | Nobunari Tsukamoto | 2012-08-14 |
| 8194780 | Differential signal output device | Nobunari Tsukamoto | 2012-06-05 |
| 8023605 | Oversampling circuit and oversampling method | Nobunari Tsukamoto | 2011-09-20 |
| 7791634 | Pixel clock generator, pulse modulator, and image forming apparatus | Naruhiro Masui, Nobunari Tsukamoto | 2010-09-07 |
| 7746971 | Data recovery method, data recovery circuit, data transmitting/receiving apparatus and information processing apparatus | Naruhiro Masui | 2010-06-29 |
| 7684531 | Data recovery method and data recovery circuit | Naruhiro Masui | 2010-03-23 |
| 7573790 | Light source driving unit and optical storage apparatus | Naruhiro Masui | 2009-08-11 |
| 7518969 | Light source driving unit and optical storage apparatus | Naruhiro Masui | 2009-04-14 |
| 7480230 | Light source drive, optical information recording apparatus, and optical information recording method | Naruhiro Masui | 2009-01-20 |
| 7423940 | Signal processing method and signal processing apparatus | Naruhiro Masui | 2008-09-09 |
| 7200091 | Light source driving unit and optical storage apparatus | Naruhiro Masui | 2007-04-03 |
| 7193957 | Light source drive, optical information recording apparatus, and optical information recording method | Naruhiro Masui | 2007-03-20 |
| 7142486 | Signal processing method and signal processing apparatus | Naruhiro Masui | 2006-11-28 |
| 7050080 | Image forming apparatus for controlling image writing by adjusting image clock | Akihisa Itabashi | 2006-05-23 |
| 6954415 | Light source drive, optical information recording apparatus, and optical information recording method | Naruhiro Masui | 2005-10-11 |
| 6917639 | Laser driver circuit | Masaaki Ishida, Yasuhiro Nihei, Hiroaki Kyougoku, Atsufumi Omori | 2005-07-12 |
| 6791596 | Method and apparatus for image forming capable of effectively generating pixel clock pulses | Yasuhiro Nihei, Masaaki Ishida, Akihisa Itabashi | 2004-09-14 |
| 6731317 | Pulse modulation signal generation circuit, and semiconductor laser modulation device, optical scanning device and image formation device using the same | Masaaki Ishida, Yasuhiro Nihei | 2004-05-04 |
| 6590599 | Apparatus and method for equivalently changing a write clock frequency | — | 2003-07-08 |
| 6498617 | Pulse width modulation circuit, optical write unit, image forming apparatus and optical write method | Masaaki Ishida | 2002-12-24 |
| 6442183 | Semiconductor laser drive control circuit and image forming system using the same | — | 2002-08-27 |
| 6118798 | Semiconductor laser control system | Masaaki Ishida, Naruhiro Masui | 2000-09-12 |
| 5946334 | Semiconductor laser control system | Masaaki Ishida, Naruhiro Masui | 1999-08-31 |
| 5784091 | Image forming system using digital ASIC and analog ASIC for processing image data and controlling semiconductor laser, and half-tone pixel representing method | Masaaki Ishida | 1998-07-21 |
| 5325160 | Half tone recording method and light source device for writing | Susumu Imakawa | 1994-06-28 |