Inventor
TOMITA YASUMASA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “TOMITA YASUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
10 patentsUS7598972B2Oct 6, 2009
Optical scanning device and image forming apparatus
RICOH KK1,018 citations98
US7821678B2Oct 26, 2010
Image forming apparatus capable of producing a high-precision light beam with a simple structure
RICOH KK9 citations83
US7612928B2Nov 3, 2009
Optical scanning apparatus, image forming apparatus using the same and method of regulating the optical scanning apparatus
RICOH KK8 citations83
US7319475B2Jan 15, 2008
Method and apparatus for image forming capable of preventing image quality deterioration induced by heat from an optical deflector
RICOH KK8 citations74
US7538924B2May 26, 2009
Optical scanner and image forming apparatus including a light shielding device disposed between light beams that fall on the deflecting unit and light beams that are deflected from the deflecting unit
RICOH KK7 citations73
US7256813B2Aug 14, 2007
Optical scanner and image forming apparatus
RICOH KK9 citations73
US7593149B2Sep 22, 2009
Optical scanning unit having more maintenance-friendly adjustable lens having a support member with first and second faces, an adjusting member and moving member opposite the adjusting member, and image forming apparatus including the same
RICOH KK3 citations62
US7355617B2Apr 8, 2008
Optical scanner and image forming apparatus
RICOH KK5 citations62
US7038194B2May 2, 2006
Multiple-beam scanning device and image forming apparatus including the multiple-beam scanning device
RICOH KK6 citations62
US7397589B2Jul 8, 2008
Optical scanning device and image forming apparatus using the device
RICOH KK0 citations41
FUJITSU LTD
3 patentsUS6732372B2May 4, 2004
Transmission device and terminal device for automatic reception/recording of broadcast programs
FUJITSU LTD130 citations96
US6230324B1May 8, 2001
Device for transmitting broadcast-program information and allowing other information sources to be accessed
FUJITSU LTD92 citations96
US6100884AAug 8, 2000
Device for delivering listings of broadcast programs via network
FUJITSU LTD94 citations96