KM

Katsuhiko Maeda

Ricoh Company: 39 patents #374 of 9,818Top 4%
NK Nippon Carbide Kogyo: 2 patents #27 of 105Top 30%
DC Diamond Engineering Co.: 1 patents #5 of 14Top 40%
MS Mitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
Overall (All Time): #64,788 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
7595812 Image forming apparatus, printer apparatus, facsimile apparatus, and copying machine 2009-09-29
7586510 Image forming apparatus and image deviation correcting method 2009-09-08
7508408 Image forming apparatus capable of effectively initializing a laser drive circuit Yoshio Kanzaki, Hidetoshi Kanai, Shinya Tanaka 2009-03-24
7415231 Color image forming apparatus and method 2008-08-19
7313352 Image forming apparatus, method of controlling same, machine-readable medium and process cartridge Tadashi Shinohara, Masakazu Oshita 2007-12-25
7294824 Light beam scanning device, image forming apparatus, and light beam scanning method 2007-11-13
7224378 Method and apparatus for optical recording and image forming capable of correcting a magnification error in scanning 2007-05-29
7215353 Method and apparatus for image forming capable of effectively controlling a light beam with a pulse width modulation 2007-05-08
6999708 Color image forming apparatus and method 2006-02-14
6853392 Image forming apparatus that adjusts image positional deviation without fail 2005-02-08
6847390 Method and apparatus for image forming capable of effectively adjusting an image recording start position 2005-01-25
6833856 Light beam magnification error auto correcting apparatus and method 2004-12-21
6831672 Image forming apparatus 2004-12-14
6292206 Image forming apparatus and method of producing light quantity correction data Atsushi Takehara 2001-09-18
6249304 Image forming apparatus and image forming method for forming color images by gray-level image forming technique Noboru Sawayama, Akio Kosuge, Atsushi Takehara, Hiroshi Yoshimura 2001-06-19
6137518 Image forming apparatus having an LED array head for forming image dots based on a pitch of the LEDs 2000-10-24
5635002 Method of preventing adhesion of adhesive substance, and method of preventing adhesion of non-vulcanized rubber Isamu Oikawa 1997-06-03
5466510 Structure, method of preventing adhesion of adhesive substance, and method of preventing adhesion of non-vulcanized rubber Isamu Oikawa 1995-11-14
4467035 Cultivation of phototrophic bacteria in the absence of ultraviolet light Isamu Harasawa, Yukio Hariki, Koichi Nakamura 1984-08-21
4235043 Method for cultivating algae and a covering material used therefor Isamu Harasawa, Yukio Hariki, Kouichi Nakamura 1980-11-25