MY

Masato Yokoyama

Ricoh Company: 24 patents #864 of 9,818Top 9%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
AC Ajinomoto Co.: 1 patents #1,164 of 2,190Top 55%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Ebeye: #79 of 4,528 inventorsTop 2%
Overall (All Time): #119,016 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
10466027 System and method for marker placement Hiroshi Iwabuchi 2019-11-05
10080593 Rod template Shigehiko Higaki, Tomohiro Ohtake 2018-09-25
7800335 Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation Toshiyuki Andoh, Tadashi Shinohara, Yuuji Matsuda, Kazuhiko Kobayashi, Nobuto Yokokawa +3 more 2010-09-21
7712989 Ink jet recording apparatus capable of performing a duplex print operation Motokazu Yasui, Tsumori Sato, Masanori Horike, Masumi Sato 2010-05-11
7535594 Scanning lens for optical scanner, optical scanner, and image forming apparatus Hiroshi Yoshizawa 2009-05-19
7509074 Method and apparatus for image forming capable of effectively reducing unevenness of density and color displacement of images Nobuto Yokokawa, Toshiyuki Ando, Kazuhiko Kobayashi, Tadashi Shinohara, Yuuji Matsuda +4 more 2009-03-24
7454150 Image forming apparatus having a resist rotary member Hiromichi Matsuda, Toshiyuki Andoh, Kazuhiko Kobayashi, Yuji Matsuda, 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, Yuji Matsuda, Hiromichi Matsuda, Toshiyuki Andoh, Nobuto Yokokawa +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
7344326 Ink jet recording apparatus capable of performing a duplex print operation Motokazu Yasui, Tsumori Sato, Masanori Horike, Masumi Sato 2008-03-18
7330009 Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation Toshiyuki Andoh, Tadashi Shinohara, Yuuji Matsuda, Kazuhiko Kobayashi, Nobuto Yokokawa +3 more 2008-02-12
7319475 Method and apparatus for image forming capable of preventing image quality deterioration induced by heat from an optical deflector Yasumasa Tomita, Hiroshi Yoshizawa, Tetsuya Kimura, Keiji Okamoto, Keiichi Serizawa 2008-01-15
7307648 Printing apparatus and method for passbooks Toshiaki Aoyagi 2007-12-11
7257339 Method and apparatus for image forming capable of effectively reducing unevenness of density and color displacement of images Nobuto Yokokawa, Toshiyuki Ando, Kazuhiko Kobayashi, Tadashi Shinohara, Yuuji Matsuda +4 more 2007-08-14
7251444 Apparatus for controlling driving of endless belt, and image forming apparatus Yuji Matsuda, Hiromichi Matsuda, Toshiyuki Andoh, Nobuto Yokokawa, Ryoji Imai +3 more 2007-07-31
7218337 Optical scanner, optical-path adjustment method, and image forming apparatus 2007-05-15
7110700 Belt driving controller, process cartridge, and image forming apparatus Toshiyuki Andoh, Yasumori Nagahara, Tadashi Shinohara, Yuuji Matsuda, Kazuhiko Kobayashi +4 more 2006-09-19
6949896 Apparatus for and method of driving motor to move object at a constant velocity Toshiyuki Andoh, Hiromichi Matsuda, Makoto Komatsu, Tadashi Shinohara, Yuuji Matsuda +5 more 2005-09-27
6864906 Light scanning device and image forming apparatus 2005-03-08
6719469 Ink jet recording apparatus capable of performing a duplex print operation Motokazu Yasui, Tsumori Sato, Masanori Horike, Masumi Sato 2004-04-13
6593951 Optical writing system directed to miniaturization thereof, and image forming apparatus employing it Hiroshi Yoshizawa 2003-07-15
6416176 Ink-jet printing system having an improved sheet transport mechanism Motokazu Yasui, Masumi Sato 2002-07-09
6334878 Apparatus and method for crystallization Ichiro Miyahara, Tatsuo Kitamura, Takashi Koko 2002-01-01
5946529 Image forming apparatus using a roller type charging system Masumi Sato, Toshiyuki Uchida, Katsumi Masuda, Takaya Muraishi 1999-08-31
5878317 Electrophotographic method and apparatus including a toner recycle feature Katsumi Masuda, Takaya Muraishi, Masumi Sato, Toshiyuki Uchida 1999-03-02