Inventor
KADOWAKI HIDEJIRO
JP52 patents
Patents
50 patentsUS5589858ADec 31, 1996
Information recording apparatus
CANON KK124 citations98
US5512924AApr 30, 1996
Jet apparatus having an ink jet head and temperature controller for that head
CANON KK112 citations98
US5640239AJun 17, 1997
Optical device and displacement information measurement apparatus using the same
CANON KK63 citations96
US5398053AMar 14, 1995
Liquid jet recording apparatus having auxiliary recording head
CANON KK67 citations96
US5270738ADec 14, 1993
Liquid jet recording apparatus having rotary transmitting member for recording medium
CANON KK63 citations96
US5828387AOct 27, 1998
Recording apparatus with compensation for variations in feeding speed
CANON KK30 citations93
US5812250ASep 22, 1998
Doppler velocimeter and various kinds of apparatuses for signal processing thereof
CANON KK26 citations93
US5796470AAug 18, 1998
Frequency shifter and optical displacement measuring apparatus using the frequency shifter
CANON KK22 citations93
US5774218AJun 30, 1998
Laser Doppler velocimeter with electro-optical crystal
CANON KK20 citations93
US5737116AApr 7, 1998
Frequency shifter and optical displacement measuring apparatus using the same
CANON KK24 citations93
US5629793AMay 13, 1997
Frequency shifter and optical displacement measurement apparatus using the same
CANON KK20 citations93
US5530462AJun 25, 1996
Recovery technique for ink jet recording apparatus
CANON KK36 citations93
US5502466AMar 26, 1996
Doppler velocimeter and position information detection apparatus for use with objects having variations in surface depth
CANON KK40 citations93
US5451989ASep 19, 1995
Ink jet recording apparatus with a heat pipe for temperature stabilization
CANON KK38 citations93
US5402160AMar 28, 1995
Ink jet recording apparatus with plural heat pipes for temperature stabilization
CANON KK40 citations93
US5327222AJul 5, 1994
Displacement information detecting apparatus
CANON KK20 citations93
US5280308AJan 18, 1994
Sheet feeding device
CANON KK36 citations93
US5231423AJul 27, 1993
Ink jet recording apparatus with heat exchange means
CANON KK28 citations93
US5229830AJul 20, 1993
Doppler velocimeter
CANON KK29 citations93
US5216478AJun 1, 1993
Doppler velocity meter
CANON KK24 citations93
US4903123AFeb 20, 1990
Image processing apparatus using inclined line screens to reduce Moire
CANON KK43 citations93
US4783837ANov 8, 1988
Image processing apparatus
CANON KK29 citations93
US4030447AJun 21, 1977
Developing device
CANON KK34 citations93
US6674066B1Jan 6, 2004
Encoder
CANON KK20 citations92
US6631047B2Oct 7, 2003
Interference device, position detecting device, positioning device and information recording apparatus using the same
CANON KK19 citations92
US6618218B1Sep 9, 2003
Displacement detecting apparatus and information recording apparatus
CANON KK28 citations92
US6151185ANov 21, 2000
Position detecting apparatus, positioning apparatus, and information recording apparatus using the same
CANON KK26 citations92
US5483332AJan 9, 1996
Displacement information detecting apparatus and doppler velocimeter apparatus
CANON KK33 citations92
US6473184B1Oct 29, 2002
Interferometer which divides light beams into a plurality of beams with different optical paths
CANON KK15 citations84
US5930066AJul 27, 1999
Information recording apparatus
CANON KK19 citations84
US4812900AMar 14, 1989
Original reading apparatus with light source switching without a switching circuit
CANON KK19 citations82
US4165165AAug 21, 1979
Color image formation apparatus
CANON KK29 citations79
US6259531B1Jul 10, 2001
Displacement information measuring apparatus with hyperbolic diffraction grating
CANON KK9 citations74
US5712929AJan 27, 1998
Image processing apparatus
CANON KK10 citations74
US5696578ADec 9, 1997
Frequency tracking method and apparatus, and Doppler velocity meter using the same
CANON KK10 citations74
US5557407ASep 17, 1996
Measuring apparatus having a diffraction grating for receiving a diverged light beam
CANON KK18 citations74
US5552879ASep 3, 1996
Doppler velocimeter
CANON KK17 citations74
US5272512ADec 21, 1993
Displacement information detection apparatus
CANON KK11 citations74
US5179418AJan 12, 1993
Doppler velocimeter and apparatus using the same
CANON KK19 citations74
US6657181B1Dec 2, 2003
Optical element used in compact interference measuring apparatus detecting plurality of phase difference signals
CANON KK11 citations73
US4788574ANov 29, 1988
Multi-color image forming apparatus in which a plurality of toner images are successively transferred onto a printing medium from a plurality of image carriers one above another
CANON KK17 citations73
US4504137AMar 12, 1985
Apparatus for color electrophotography
CANON KK6 citations73
US4230783AOct 28, 1980
Process and apparatus for electrophotography
CANON KK8 citations73
US7554671B2Jun 30, 2009
Absolute position measurement apparatus
CANON KK4 citations63
US7551290B2Jun 23, 2009
Absolute position measurement apparatus
CANON KK3 citations63
US5666444ASep 9, 1997
Image processing apparatus
CANON KK3 citations63
US5256885AOct 26, 1993
Doppler velocimeter having a diffraction grating and dual lens groups with identical focal distances
CANON KK3 citations63
US5194745AMar 16, 1993
Doppler velocimeter
CANON KK5 citations63
US7375820B2May 20, 2008
Interference measuring apparatus for detecting a plurality of stable phase difference signals
CANON KK2 citations62
US7034947B2Apr 25, 2006
Compact interference measuring apparatus for detecting the magnitude and direction of positional deviation
CANON KK2 citations62
Showing the top 50 of 52 patents by PatentIndex Score.