Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920305 | Optical scanning device, optical scanning method, computer program product for executing optical scanning method, recording medium with computer program recorded thereon, image forming apparatus, and color image forming apparatus using the same | Yasuhiro Nihei, Atsufumi Omori, Jun Tanabe | 2011-04-05 |
| 7903135 | Optical scanning device and image forming apparatus for optimizing arrangement intervals in a main-scanning direction and a sub-scanning direction | Daisuke Ichii, Yoshinori Hayashi, Seizo Suzuki, Makoto Hirakawa | 2011-03-08 |
| 7834902 | Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus | Yasuhiro Nihei, Atsufumi Omori, Dan Ozasa | 2010-11-16 |
| 7826110 | Light scanning apparatus, light scanning method, image forming apparatus, and color image forming apparatus | Jun Tanabe, Yasuhiro Nihei, Atsufumi Omori | 2010-11-02 |
| 7728780 | Antenna device and information terminal device | — | 2010-06-01 |
| 7701480 | Light-source driving device, optical scanning device, and image forming apparatus | Atsufumi Omori, Yasuhiro Nihei, Jun Tanabe | 2010-04-20 |
| 7671882 | Semiconductor laser modulation driving apparatus and image forming apparatus | Dan Ozasa, Yasuhiro Nihei, Atsufumi Omori | 2010-03-02 |
| 7528625 | Image forming apparatus | Dan Ozasa, Yasuhiro Nihei, Atsufumi Omori | 2009-05-05 |
| 7515170 | Optical scanner and image forming apparatus | Atsufumi Omori, Yasuhiro Nihei, Dan Ozasa | 2009-04-07 |
| 7496121 | Laser modulating and driving device and image reproducing apparatus using the same | Yasuhiro Nihei, Atsufumi Omori, Dan Ozasa | 2009-02-24 |
| 7463278 | Pixel clock generation circuit | Dan Ozasa | 2008-12-09 |
| 7400210 | Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus | Yasuhiro Nihei, Atsufumi Omori, Dan Ozasa | 2008-07-15 |
| 7327379 | Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus | Yasuhiro Nihei, Atsufumi Omori, Dan Ozasa | 2008-02-05 |
| 7283151 | Pixel clock generation device causing state transition of pixel clock according to detected state transition and phase data indicating phase shift amount | Yasuhiro Nihei | 2007-10-16 |
| 7271824 | Pixel clock generating apparatus, optical writing apparatus using a pixel clock, imaging apparatus, and method for generating pixel clocks | Atsufumi Omori, Yasuhiro Nihei, Yoshinori Hayashi | 2007-09-18 |
| 7256815 | Image forming method, image forming apparatus, optical scan device, and image forming apparatus using the same | Seizo Suzuki, Atsufumi Omori, Magane Aoki, Yasuhiro Nihei | 2007-08-14 |
| 7212224 | Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus | Yasuhiro Nihei, Atsufumi Omori, Dan Ozasa | 2007-05-01 |
| 7193480 | Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus | Yasuhiro Nihei, Atsufumi Omori, Dan Ozasa | 2007-03-20 |
| 7009430 | Circuit for generating pixel clock with fine phase control | Yasuhiro Nihei, Atsufumi Omori, Dan Ozasa | 2006-03-07 |
| 6933957 | Pixel clock generation apparatus, pixel clock generation method, and image forming apparatus capable of correcting main scan dot position shift with a high degree of accuracy | Atsufumi Omori, Yasuhiro Nihei, Dan Ozasa | 2005-08-23 |
| 6927789 | Pixel clock generating device, laser scanning device, and image forming device | Dan Ozasa, Yasuhiro Nihei, Atsufumi Omori | 2005-08-09 |
| 6917639 | Laser driver circuit | Hidetoshi Ema, Yasuhiro Nihei, Hiroaki Kyougoku, Atsufumi Omori | 2005-07-12 |
| 6790294 | Spring with excellent fatigue endurance property and surface treatment method for producing the spring | Kazuhiro Uzumaki, Yuji Isono, Keiichiro Teratoko, Yoshiro Yamada, Hiroshi Suzuki +1 more | 2004-09-14 |
| 6791596 | Method and apparatus for image forming capable of effectively generating pixel clock pulses | Yasuhiro Nihei, Hidetoshi Ema, 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 | Hidetoshi Ema, Yasuhiro Nihei | 2004-05-04 |