Inventor
OHTSUBO HIROYASU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “OHTSUBO HIROYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS6509931B1Jan 21, 2003
Resolution conversion unit and apparatus having resolution conversion unit
HITACHI LTD56 citations96
US5796430AAug 18, 1998
Video camera with a function to correct defective pixels of solid state image pickup device and method of correcting defective pixels of solid state image pickup device
HITACHI LTD67 citations96
US5625413AApr 29, 1997
Video camera with a function to correct defective pixels of solid state image pickup device and method of correcting defective pixels of solid state image
HITACHI LTD73 citations96
US7289563B2Oct 30, 2007
Security camera system
HITACHI LTD22 citations93
US5170249ADec 8, 1992
Digital signal processing apparatus having devices for delaying and combining color signals
HITACHI LTD41 citations92
US4984083AJan 8, 1991
Image processing system
HITACHI LTD23 citations92
US4855812AAug 8, 1989
Picture synthesizing apparatus with gain control system
HITACHI LTD24 citations92
US4736241AApr 5, 1988
White balance adjusting device of color video camera
HITACHI LTD46 citations92
US4926361AMay 15, 1990
Digital noise reducer
HITACHI LTD29 citations91
US5512945AApr 30, 1996
Still picture recording digital camera which outputs a dynamic picture when incident light is limited and outputs a still picture when incident light is interrupted
HITACHI LTD14 citations81
US5287171AFeb 15, 1994
Jitter processing circuit for digital camera processing
HITACHI LTD17 citations81
US7110451B2Sep 19, 2006
Bitstream transcoder
HITACHI LTD9 citations74
US5510835AApr 23, 1996
Video camera having a solid-type image sensor
HITACHI LTD11 citations74
US5404165AApr 4, 1995
Apparatus and method for processing signals of an imaging device
HITACHI LTD14 citations74
US5060087AOct 22, 1991
Editing circuit for a magnetic recording and reproducing apparatus
HITACHI LTD12 citations74
US6128036AOct 3, 2000
Still picture recording digital camera with output unit having delay unit and memory
HITACHI LTD6 citations73
US5990946ANov 23, 1999
Signal reading and processing arrangement of still picture recording apparatus
HITACHI LTD8 citations73
US5726707AMar 10, 1998
Signal reading and processing arrangement of still picture recording apparatus
HITACHI LTD12 citations73
US5430499AJul 4, 1995
Apparatus for correcting vertical aperture of an image
HITACHI LTD13 citations73
US5063437ANov 5, 1991
Method and apparatus for processing a color video signal
HITACHI LTD12 citations72
US5043802AAug 27, 1991
Frame still pictures with no double images
HITACHI LTD18 citations72
US5483290AJan 9, 1996
Video camera apparatus including programmable timing generation circuit
HITACHI LTD5 citations62
US7535348B2May 19, 2009
Surveillance system with surveillance terminals and surveillance center
HITACHI LTD1 citations51