Inventor
TOKITA TOSHIAKI
JP44 patents
⚠️ This page may combine multiple inventors who share the name “TOKITA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
24 patentsUS7245430B2Jul 17, 2007
Method and apparatus for displaying three-dimensional stereo image using light deflector
RICOH KK91 citations98
US6919982B2Jul 19, 2005
Optical path deflecting element, optical path deflecting apparatus, image displaying apparatus, optical element and manufacturing method thereof
RICOH KK82 citations98
US5619765AApr 15, 1997
Device for removing a film-like image forming substance
RICOH KK56 citations96
US5643380AJul 1, 1997
Method of recycling image-deposited recording material and apparatus for recycling the same
RICOH KK27 citations93
US7753531B2Jul 13, 2010
Image display apparatus and projection optical system
RICOH KK27 citations92
US5638842AJun 17, 1997
Device for removing a film-like image forming substance from a recording medium
RICOH KK37 citations92
US5459701AOct 17, 1995
Magneto-optical recording method
RICOH KK29 citations92
US5430696AJul 4, 1995
Magneto-optical recording medium
RICOH KK22 citations92
US5420833AMay 30, 1995
Magneto-optical recording medium having first and second magnetic layers
RICOH KK24 citations92
US5769957AJun 23, 1998
Regenerating method and apparatus of image holding supporting member
RICOH KK32 citations91
US7038835B2May 2, 2006
Optical deflection device and optical deflection method that control occurrence of alignment defect
RICOH KK6 citations74
US5736265AApr 7, 1998
Magneto-optical recording medium and recording method using the same
RICOH KK10 citations74
US5487046AJan 23, 1996
Magneto-optical recording medium having two magnetic layers with the same curie temperature
RICOH KK10 citations74
US5337293AAug 9, 1994
Magneto-optical recording method and recording medium for use in the same
RICOH KK6 citations74
US5323366AJun 21, 1994
Magneto-optical recording method with switching and maintaining perpendicular magnetization light beam application modes
RICOH KK11 citations74
US7787001B2Aug 31, 2010
Image processing apparatus, image display apparatus, image processing method, and computer product
RICOH KK4 citations63
US7733317B2Jun 8, 2010
Image display apparatus and alternative current drive method
RICOH KK2 citations63
US7310181B2Dec 18, 2007
Optical deflection device and optical deflection method that control occurrence of alignment defect
RICOH KK2 citations63
US7304705B2Dec 4, 2007
Imaging unit, optical write unit, optical read unit and image forming apparatus
RICOH KK5 citations63
US7057700B2Jun 6, 2006
Light deflection element, light deflection device and image display device
RICOH KK5 citations63
US5369629ANov 29, 1994
Magneto-optical recording method and magneto-optical recording medium
RICOH KK4 citations63
US7495831B2Feb 24, 2009
Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in time
RICOH KK2 citations62
US7489383B2Feb 10, 2009
Optical axis deflecting method, optical axis deflecting element, optical path deflecting unit, method of driving optical axis deflecting element, and image display apparatus
RICOH KK1 citations51
US7564508B2Jul 21, 2009
Light path shift device and image display device
RICOH KK0 citations42
RICOH CO LTD
5 patentsUS7857458B2Dec 28, 2010
Image display device and image projection device
RICOH CO LTD11 citations84
US8368736B2Feb 5, 2013
Optical scanning device and image forming apparatus
RICOH CO LTD7 citations83
US8351118B2Jan 8, 2013
Polarization splitting device, method of manufacturing polarization beam splitter, optical scanning device, and image forming apparatus
RICOH CO LTD4 citations63
US7889224B2Feb 15, 2011
Optical path switching device, optical scanning device, and image forming apparatus
RICOH CO LTD3 citations62
US7929071B2Apr 19, 2011
Electric field generating device comprising an electric field generating resistor and line electrodes, light deflecting device having the same, and image display apparatus having the same
RICOH CO LTD3 citations61
WATANABE NAOTO
4 patentsUS8456726B2Jun 4, 2013
Light scanning device, and image forming apparatus having the same
WATANABE NAOTO6 citations73
US8848009B2Sep 30, 2014
Optical scanning device and image forming apparatus
WATANABE NAOTO2 citations62
US9925798B2Mar 27, 2018
Optical scanning apparatus and image forming device
WATANABE NAOTO0 citations51
US9625711B2Apr 18, 2017
Optical scanning apparatus and image forming device
WATANABE NAOTO0 citations51