P

Inventor

OKU MASUO

JP54 patents
⚠️ This page may combine multiple inventors who share the name “OKU MASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

26 patents
US5898695AApr 27, 1999

Decoder for compressed and multiplexed video and audio data

HITACHI LTD166 citations99
US5627655AMay 6, 1997

Recording apparatus and reproducing apparatus for video signals

HITACHI LTD137 citations99
US5966385AOct 12, 1999

Decoder for compressed and multiplexed video and audio data

HITACHI LTD98 citations98
US6477185B1Nov 5, 2002

Demultiplexing and decoding apparatus for coded audio and video data

HITACHI LTD92 citations96
US5550640AAug 27, 1996

Digital video signal recording and reproducing apparatus and method for setting a number of compression blocks according to different operational modes

HITACHI LTD86 citations96
US6310654B1Oct 30, 2001

Decoder device and receiver using the same

HITACHI LTD32 citations95
US5636316AJun 3, 1997

Picture signal digital processing unit

HITACHI LTD63 citations95
US5675331AOct 7, 1997

Decoding device for decoding a variety of code signals

HITACHI LTD59 citations93
US6807191B2Oct 19, 2004

Decoder for compressed and multiplexed video and audio data

HITACHI LTD30 citations92
US6710817B2Mar 23, 2004

Decoder device and receiver using the same

HITACHI LTD25 citations92
US6084637AJul 4, 2000

Decoding and displaying device for coded picture data

HITACHI LTD25 citations92
US5907372AMay 25, 1999

Decoding/displaying device for decoding/displaying coded picture data generated by high efficiency coding for interlace scanning picture format

HITACHI LTD21 citations92
US5585933ADec 17, 1996

Recording and/or reproducing apparatus for recording and/or reproducing image data compressed according to different compressing methods

HITACHI LTD38 citations92
US4541084ASep 10, 1985

Focus servo system having object lens protection circuit for an optical disc player

HITACHI LTD35 citations92
US5729303AMar 17, 1998

Memory control system and picture decoder using the same

HITACHI LTD40 citations91
US4669072AMay 26, 1987

Control apparatus for optical video disk recorder/player

HITACHI LTD42 citations91
US6643453B1Nov 4, 2003

Motion picture recording/reproduction apparatus

HITACHI LTD22 citations89
US5880786AMar 9, 1999

Apparatus for picture decoding having frame memories commonly connected to one data bus and one address bus

HITACHI LTD39 citations89
US7375761B2May 20, 2008

Receiver having motion picture data decoder

HITACHI LTD9 citations83
US4858030AAug 15, 1989

Reproducing apparatus of a video disc player

HITACHI LTD21 citations82
US4630252ADec 16, 1986

Control apparatus for optical disc player for locating blank tracks

HITACHI LTD22 citations81
US5778140AJul 7, 1998

Video signal processing apparatus

HITACHI LTD15 citations74
US4805040AFeb 14, 1989

Drop-out correction circuit in an apparatus for correcting time base error with inhibition of time-base information during dropout

HITACHI LTD18 citations74
US7643089B2Jan 5, 2010

Decoder device and receiver using the same

HITACHI LTD4 citations73
US6452638B1Sep 17, 2002

Decoder device and receiver using the same

HITACHI LTD6 citations73
US5731838AMar 24, 1998

Apparatus for decoding moving picture data

HITACHI LTD7 citations70

MAXELL LTD

17 patents
US11989838B2May 21, 2024

Mixed reality display device and mixed reality display method

MAXELL LTD2 citations73
US11508134B2Nov 22, 2022

Augmented reality display device and augmented reality display method

MAXELL LTD3 citations73
US11668650B2Jun 6, 2023

Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system

MAXELL LTD1 citations72
US11346776B2May 31, 2022

Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system

MAXELL LTD3 citations72
US12423929B2Sep 23, 2025

Augmented reality display device and augmented reality display method

MAXELL LTD0 citations63
US12387442B2Aug 12, 2025

Mixed reality display device and mixed reality display method

MAXELL LTD0 citations63
US12307553B2May 20, 2025

Remote operation instructing system, and mount type device

MAXELL LTD0 citations63
US12033286B2Jul 9, 2024

Augmented reality display device and augmented reality display method

MAXELL LTD0 citations63
US11915339B2Feb 27, 2024

Remote operation instructing system, and mount type device

MAXELL LTD0 citations63
US12235444B2Feb 25, 2025

Linked display system and head-mounted display

MAXELL LTD0 citations62
US11852811B2Dec 26, 2023

Linked display system and head-mounted display

MAXELL LTD0 citations62
US12072284B2Aug 27, 2024

Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system

MAXELL LTD0 citations61
US12513277B2Dec 30, 2025

Head mounted display

MAXELL LTD0 citations52
US12327319B2Jun 10, 2025

Virtual reality sharing method and system

MAXELL LTD0 citations52
US12321524B2Jun 3, 2025

Head-mounted display

MAXELL LTD0 citations52
US12081910B2Sep 3, 2024

Information device and camera image sharing system

MAXELL LTD0 citations52
US12294814B2May 6, 2025

Watching monitoring device and watching monitoring method

MAXELL LTD0 citations50

HITACHI AMERICA LTD

6 patents

SANYO ELECTRIC CO

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.