Inventor
OGAWA TETSU
JP48 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA TETSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
22 patentsUS4632514ADec 30, 1986
Color liquid crystal display apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD164 citations99
US6661484B1Dec 9, 2003
Retardation matching using the liquid crystal twist angle for different color dots within a pixel of a reflective color LCD
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD110 citations97
US6300990B1Oct 9, 2001
Reflective LCD device with low visual angle dependency and high contrast
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations96
US6122027ASep 19, 2000
Liquid crystal display device with color filters between reflector and transparent conductor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD57 citations95
US6522378B1Feb 18, 2003
Liquid crystal display and manufacture therefore
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US6278508B1Aug 21, 2001
Reflection type liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US6130735AOct 10, 2000
Reflective liquid crystal display device having front scattering films
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US6055033AApr 25, 2000
Color liquid crystal display device using polymer and polarization films
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US5056897AOct 15, 1991
Spatial light modulating element and neural network circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations92
US6404471B1Jun 11, 2002
Reflection liquid crystal display
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6144432ANov 7, 2000
Reflective liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84
US6597421B1Jul 22, 2003
Reflective liquid crystal display element and image display device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations83
US4725460AFeb 16, 1988
Optical filter and the method of preparing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations82
US6567149B1May 20, 2003
Reflection liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US6480251B1Nov 12, 2002
Reflection liquid crystal display element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US6011605AJan 4, 2000
Liquid crystal display with a metallic reflecting electrode having a two layer film of Ti and Al alloy
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US5982463ANov 9, 1999
Liquid crystal display device capable of displaying color without a color filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US5373378ADec 13, 1994
Active matrix type liquid crystal display device with peripheral pixel electrodes attached directly to signal lines
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US6633352B2Oct 14, 2003
Reflection type liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US6426785B2Jul 30, 2002
Reflective liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6297863B1Oct 2, 2001
Reflective liquid crystal display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
US6608659B1Aug 19, 2003
Reflective liquid crystal display apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
SONY GROUP CORP
14 patentsUS11763457B2Sep 19, 2023
Information generation method, information generation apparatus, and program
SONY GROUP CORP2 citations73
US11536656B2Dec 27, 2022
Information processing device, information processing method, and program
SONY GROUP CORP2 citations73
US11823447B2Nov 21, 2023
Information processing apparatus, information processing method, program, and information processing system
SONY GROUP CORP1 citations62
US11398060B2Jul 26, 2022
Information processing device, information processing method, and program
SONY GROUP CORP1 citations62
US11231367B2Jan 25, 2022
Information processing apparatus, information processing method, program, and sensing apparatus
SONY GROUP CORP1 citations62
US12567121B2Mar 3, 2026
Image management method and data structure of metadata
SONY GROUP CORP0 citations58
US12456295B2Oct 28, 2025
Image processing method and data structure of metadata
SONY GROUP CORP0 citations58
US11958633B2Apr 16, 2024
Artificial satellite and control method thereof
SONY GROUP CORP0 citations58
US12452503B2Oct 21, 2025
Imaging device
SONY GROUP CORP0 citations52
US12111251B2Oct 8, 2024
Information processing apparatus, information processing method, program, and sensing system
SONY GROUP CORP0 citations52
US11922687B2Mar 5, 2024
Information processing apparatus, information processing method, and program
SONY GROUP CORP0 citations52
US12411390B2Sep 9, 2025
Imaging apparatus and lens apparatus including lens sections with different angles of view
SONY GROUP CORP0 citations51
US11399161B2Jul 26, 2022
Signal processing device, signal processing method, image capture device, and medical image capture device
SONY GROUP CORP0 citations49
US12077321B2Sep 3, 2024
Imaging method of satellite system, and transmission device
SONY GROUP CORP0 citations48
CANON DENSHI KK
6 patentsUS4733314AMar 22, 1988
Disc unit including automatic ejection upon misinsertion detection
CANON DENSHI KK22 citations82
US4694421ASep 15, 1987
Interface system which selectively provides impedance matching between a host computer and a control circuit
CANON DENSHI KK7 citations74
US4670802AJun 2, 1987
System for controlling loading and ejection of recording medium on a disc unit
CANON DENSHI KK13 citations74
US5757583AMay 26, 1998
Disc drive having automatic clamp and disc ejection arrangements
CANON DENSHI KK11 citations72
US4792920ADec 20, 1988
Interface providing impedance matching by selective connection of a resistor array to a power supply
CANON DENSHI KK3 citations63
US4628376ADec 9, 1986
Magnetic disc unit
CANON DENSHI KK6 citations63
HONDA MOTOR CO LTD
5 patentsUS6854723B2Feb 15, 2005
Elastic bush and method of press-fitting elastic bush
HONDA MOTOR CO LTD31 citations91
US9546705B2Jan 17, 2017
Bush
HONDA MOTOR CO LTD12 citations80
US9278595B2Mar 8, 2016
Suspension arm mounting structure
HONDA MOTOR CO LTD10 citations79
US7871093B2Jan 18, 2011
Torsion beam suspension
HONDA MOTOR CO LTD11 citations77
US9669680B2Jun 6, 2017
Alignment adjustment device
HONDA MOTOR CO LTD2 citations72