YM

Yuji Matsuda

Ricoh Company: 24 patents #864 of 9,818Top 9%
Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
PA Panasonic: 11 patents #2,326 of 21,108Top 15%
Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
CC Copyer Co.: 3 patents #13 of 51Top 30%
TC Tokushu Paper Mfg. Co.: 2 patents #6 of 39Top 20%
Canon: 2 patents #12,681 of 19,416Top 70%
HC Hitachi Keiyo Engineering Co.: 1 patents #46 of 115Top 40%
RI Riken: 1 patents #679 of 1,824Top 40%
YC Yamada Manufacturing Co.: 1 patents #83 of 164Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #28,566 of 4,157,543Top 1%
71
Patents All Time

Issued Patents All Time

Showing 26–50 of 71 patents

Patent #TitleCo-InventorsDate
8035070 Imaging apparatus and device Akiyoshi Kohno, Yoshiaki Kato 2011-10-11
8036582 Belt driving device and image forming apparatus Takuya Murata, Kazuhiko Kobayashi, Yuichiro Ueda, Hiromichi Matsuda, Toshiyuki Andoh +3 more 2011-10-11
7991326 Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images Yasuhisa Ehara, Kazuhiko Kobayashi, Joh Ebara, Noriaki Funamoto, Seichi Handa 2011-08-02
7937007 Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus Kazuhiko Kobayashi, Joh Ebara, Yasuhisa Ehara, Kouji Amanai, Seiichi Handa +3 more 2011-05-03
7929894 Driving control device and image forming apparatus including the same Takuya Murata, Kazuhiko Kobayashi, Takuya Uehara, Yuichiro Ueda, Hiromichi Matsuda +3 more 2011-04-19
7795571 Imaging apparatus and a device for use therewith Akiyoshi Kohno, Yoshiaki Kato 2010-09-14
7778575 Imaging apparatus adjusting a rotational stop phase based on a calculated rotational phase Yasuhisa Ehara, Kazuhiko Kobayashi, Joh Ebara, Noriaki Funamoto, Seiichi Handa +1 more 2010-08-17
7729024 Color drift error correcting method and image forming apparatus Kazuhiko Kobayashi, Joh Ebara, Yasuhisa Ehara, Noriaki Funamoto, Toshiyuki Uchida +1 more 2010-06-01
7711280 Image forming apparatus, fixation device and heat control method for a fixation device Manabu Kodama 2010-05-04
7693468 Image forming apparatus capable of effectively forming a quality color image Yasuhisa Ehara, Kazuhiko Kobayashi, Joh Ebara, Kouji Amanai, Seiichi Handa +3 more 2010-04-06
7653332 Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images Yasuhisa Ehara, Kazuhiko Kobayashi, Joh Ebara, Noriaki Funamoto, Seiichi Handa +3 more 2010-01-26
7587157 Image forming apparatus capable of correcting a rotation speed of an image carrier Hiromichi Matsuda, Hiroshi Koide, Joh Ebara, Toshiyuki Andoh, Yasuhisa Ehara +1 more 2009-09-08
7499667 Endless belt drive controlling apparatus including angular displacement error calculation and associated image forming apparatus 2009-03-03
7454150 Image forming apparatus having a resist rotary member Hiromichi Matsuda, Toshiyuki Andoh, Masato Yokoyama, Kazuhiko Kobayashi, Yohei Miura +3 more 2008-11-18
7386262 Belt driving control apparatus and image forming apparatus which uses a moving average process and a revolution average process Hiroshi Okamura, Hiromichi Matsuda, Toshiyuki Andoh, Nobuto Yokokawa, Ryoji Imai +3 more 2008-06-10
7376375 Belt-drive control device, color-shift detecting method, color-shift detecting device, and image forming apparatus Kazuhiko Kobayashi, Hiromichi Matsuda, Toshiyuki Andoh, Nobuto Yokokawa, Ryoji Imai +3 more 2008-05-20
7373093 Apparatus and method for color image forming, and computer program product for driver controller Tadashi Shinohara, Masata Yokoyama, Kazuhiko Kobayashi, Yohei Miura, Toshiyuki Yakahashi +3 more 2008-05-13
7326958 Solid state imaging device 2008-02-05
7268333 Imaging apparatus and a device for use therewith Akiyoshi Kohno, Yoshiaki Kato 2007-09-11
7251444 Apparatus for controlling driving of endless belt, and image forming apparatus Hiromichi Matsuda, Toshiyuki Andoh, Nobuto Yokokawa, Ryoji Imai, Hiroshi Okamura +3 more 2007-07-31
7115039 Contents distribution system for simulation ride system, distribution apparatus for ride contents administration center, simulation ride control apparatus and computer software Tsukasa Shiina, Masayuki Oshiro, Kazuhide Ebine, Kenjiro Fujii, Katsumasa Nagai 2006-10-03
7014289 Image forming device 2006-03-21
7006418 Optical disk device that monitors chip temperature of a drive and controls its operation based on the chip temperature 2006-02-28
6838743 Optoelectronic material, device using the same and method for manufacturing optoelectronic material Yuka Yamada, Takehito Yoshida, Shigeru Takeyama, Katsuhiko Mutoh 2005-01-04
6730934 Optoelectronic material, device using the same and method for manufacturing optoelectronic material Yuka Yamada, Takehito Yoshida, Shigeru Takeyama, Katsuhiko Mutoh 2004-05-04