Inventor
SEKO YASUJI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “SEKO YASUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
27 patentsUS6222866B1Apr 24, 2001
Surface emitting semiconductor laser, its producing method and surface emitting semiconductor laser array
FUJI XEROX CO LTD125 citations98
US6597017B1Jul 22, 2003
Semiconductor device, surface emitting semiconductor laser and edge emitting semiconductor laser
FUJI XEROX CO LTD72 citations96
US5425041AJun 13, 1995
Multiquantum barrier laser having high electron and hole reflectivity of layers
FUJI XEROX CO LTD102 citations96
US7009713B2Mar 7, 2006
Optical position measuring system using an interference pattern
FUJI XEROX CO LTD24 citations92
US6320891B1Nov 20, 2001
Surface emitting semiconductor laser
FUJI XEROX CO LTD21 citations92
US6262540B1Jul 17, 2001
Semiconductor device and image formation apparatus using same
FUJI XEROX CO LTD30 citations92
US5978403ANov 2, 1999
Two-dimensional device array, two-dimensional surface light emitting laser array and image forming apparatus
FUJI XEROX CO LTD33 citations92
US5880766AMar 9, 1999
Apparatus for correcting positional deviation of light source emitting light beams in image recording apparatus
FUJI XEROX CO LTD23 citations92
US5809052ASep 15, 1998
Semiconductor laser array driving method, semiconductor laser array driving device and image forming apparatus
FUJI XEROX CO LTD30 citations92
US7554676B2Jun 30, 2009
Positional measurement system and lens for positional measurement
FUJI XEROX CO LTD9 citations84
US7360708B2Apr 22, 2008
Information processing method and system using terminal apparatus
FUJI XEROX CO LTD12 citations84
US6985236B2Jan 10, 2006
Position measurement system
FUJI XEROX CO LTD17 citations84
US7742895B2Jun 22, 2010
Position measurement system, position measurement method and computer readable medium
FUJI XEROX CO LTD10 citations83
US7633628B2Dec 15, 2009
Optical lens system and position measurement system using the same
FUJI XEROX CO LTD6 citations74
US7274461B2Sep 25, 2007
Optical lens system and position measurement system using the same
FUJI XEROX CO LTD9 citations74
US5990494ANov 23, 1999
Optoelectro transducer array, and light-emitting device array and fabrication process thereof
FUJI XEROX CO LTD10 citations74
US5963242AOct 5, 1999
Image recording apparatus with an array light source
FUJI XEROX CO LTD12 citations74
US5588016ADec 24, 1996
Semiconductor laser device
FUJI XEROX CO LTD8 citations74
US5253265AOct 12, 1993
Semiconductor laser device
FUJI XEROX CO LTD11 citations74
US7830605B2Nov 9, 2010
Longitudinal interference fringe pattern projection lens, optical system, and three-dimensional image acquisition apparatus
FUJI XEROX CO LTD3 citations63
US7562821B2Jul 21, 2009
Position measurement system
FUJI XEROX CO LTD3 citations63
US7489406B2Feb 10, 2009
Optical lens system and position measurement system using the same
FUJI XEROX CO LTD3 citations63
US7474418B2Jan 6, 2009
Position measurement system
FUJI XEROX CO LTD2 citations63
US5648295AJul 15, 1997
Method of making a semiconductor laser device
FUJI XEROX CO LTD3 citations63
US5491709AFeb 13, 1996
Semiconductor laser device
FUJI XEROX CO LTD3 citations63
US7791736B2Sep 7, 2010
Position measurement system
FUJI XEROX CO LTD3 citations61
US7583388B2Sep 1, 2009
Position measurement system
FUJI XEROX CO LTD4 citations61