Inventor
OHSAWA MICHITAKA
JP42 patents
⚠️ This page may combine multiple inventors who share the name “OHSAWA MICHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
37 patentsUS6081254AJun 27, 2000
Color correction system of imaging apparatus
HITACHI LTD149 citations97
US6518977B1Feb 11, 2003
Color image display apparatus and method
HITACHI LTD73 citations96
US6208467B1Mar 27, 2001
Display apparatus for displaying an image having gradation
HITACHI LTD37 citations96
US6014258AJan 11, 2000
Color image display apparatus and method
HITACHI LTD54 citations96
US5939826AAug 17, 1999
Plasma display system
HITACHI LTD107 citations96
US5818168AOct 6, 1998
Gas discharge display panel having communicable main and auxiliary discharge spaces and manufacturing method therefor
HITACHI LTD81 citations96
US5883476AMar 16, 1999
Convergence correction system with recovery function and display apparatus using the same
HITACHI LTD92 citations94
US5546048AAug 13, 1996
Amplifier and display apparatus employing the same
HITACHI LTD41 citations93
US5304946AApr 19, 1994
Amplifier circuit having an operation point maintaining input and output voltages constant even if a gain thereof is varied
HITACHI LTD27 citations93
US5021719AJun 4, 1991
Display
HITACHI LTD45 citations93
US6496166B1Dec 17, 2002
Display apparatus
HITACHI LTD36 citations92
US6407506B1Jun 18, 2002
Display apparatus, display method and control-drive circuit for display apparatus
HITACHI LTD31 citations92
US5892492AApr 6, 1999
Plasma display panel with optical filters
HITACHI LTD24 citations92
US5400086AMar 21, 1995
Color CRT drive apparatus and CRT display including a brightness adjustment
HITACHI LTD31 citations92
US5258828ANov 2, 1993
Color CRT drive apparatus having automatic white balance adjusting circuit and CRT display
HITACHI LTD31 citations92
US5070280ADec 3, 1991
Deflection yoke
HITACHI LTD22 citations91
US7301264B2Nov 27, 2007
Front plate and display device using same
HITACHI LTD14 citations84
US6741227B2May 25, 2004
Color image display apparatus and method
HITACHI LTD16 citations84
US7557776B2Jul 7, 2009
Plasma display apparatus
HITACHI LTD8 citations83
US6078205AJun 20, 2000
Circuit device, drive circuit, and display apparatus including these components
HITACHI LTD12 citations74
US4751403AJun 14, 1988
Transistor driving circuit and circuit controlling method
HITACHI LTD13 citations74
US6781564B2Aug 24, 2004
Display apparatus
HITACHI LTD5 citations73
US5272421ADec 21, 1993
Digital image correction device
HITACHI LTD11 citations73
US4977446ADec 11, 1990
Digital convergence correcting apparatus
HITACHI LTD18 citations73
US6538389B2Mar 25, 2003
Plasma display apparatus having reduced voltage drops along wiring lines
HITACHI LTD9 citations72
US5475287ADec 12, 1995
Cathode-ray tube apparatus and yoke
HITACHI LTD5 citations72
US5086259AFeb 4, 1992
System for converging a plurality of electron beams in cathode ray tube
HITACHI LTD8 citations72
US5049847ASep 17, 1991
Deflection yoke with auxiliary coils for stray line radiation suppression
HITACHI LTD17 citations71
US5012332AApr 30, 1991
Correcting data reading device in a digital convergence correcting device
HITACHI LTD7 citations71
US4649465AMar 10, 1987
Voltage stabilizer for a high-voltage generating circuit
HITACHI LTD7 citations71
US5317239AMay 31, 1994
Deflection yoke for cathode ray tube
HITACHI LTD8 citations70
US5059872AOct 22, 1991
Digital convergence correction device
HITACHI LTD7 citations67
US6504310B2Jan 7, 2003
Display apparatus
HITACHI LTD5 citations62
US6417822B1Jul 9, 2002
Display device and driving method thereof
HITACHI LTD2 citations62
US5172035ADec 15, 1992
Convergence system
HITACHI LTD5 citations61
US5281938AJan 25, 1994
Deflection system
HITACHI LTD5 citations58
US5701061ADec 23, 1997
Cathode-ray tube apparatus and yoke
HITACHI LTD1 citations50
FUJITSU HITACHI PLASMA DISPLAY
3 patentsUS6677664B2Jan 13, 2004
Display driver integrated circuit and flexible wiring board using a flat panel display metal chassis
FUJITSU HITACHI PLASMA DISPLAY57 citations94
US7242372B2Jul 10, 2007
Plasma display apparatus
FUJITSU HITACHI PLASMA DISPLAY11 citations84
US7224329B1May 29, 2007
Plasma display apparatus and manufacturing method
FUJITSU HITACHI PLASMA DISPLAY6 citations61