P

Inventor

OHKI JUNICHI

JP23 patents
⚠️ This page may combine multiple inventors who share the name “OHKI JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

18 patents
US4931879AJun 5, 1990

Image processing system for recording or reproducing an image signal sequence which has been encoded by employing two predictive coding methods and combining the results of those methods

NEC CORP131 citations97
US5361096ANov 1, 1994

Method and apparatus for multiplex transmission of video signals in a plurality of channels with refresh control utilizing intraframe coding

NEC CORP76 citations96
US4689673AAug 25, 1987

Movement compensation predictive encoder for a moving picture signal with a reduced amount of information

NEC CORP67 citations96
US4651206AMar 17, 1987

Inter-frame coding apparatus for video signal

NEC CORP78 citations96
US5177608AJan 5, 1993

Method and apparatus for coding moving image signal

NEC CORP76 citations95
US5483534AJan 9, 1996

Transmitting system having transmitting paths with low transmitting rates

NEC CORP22 citations92
US4942476AJul 17, 1990

Recording system for recording on a ROM image signal information which has been subjected to efficient redundancy coding

NEC CORP28 citations92
US4887156ADec 12, 1989

Method and system for transform coding of video signals

NEC CORP26 citations92
US4851906AJul 25, 1989

Data compression using orthogonal transform and vector quantization

NEC CORP41 citations92
US4689672AAug 25, 1987

Method and device of coding a digital video signal for reproduction of pictures with a high quality even upon occurrence of a drastical change between the pictures

NEC CORP29 citations92
US4689671AAug 25, 1987

Coding apparatus for moving object image

NEC CORP45 citations92
US4683494AJul 28, 1987

Inter-frame predictive coding apparatus for video signal

NEC CORP33 citations92
US4969039ANov 6, 1990

Image processing system operable in cooperation with a recording medium

NEC CORP20 citations79
US5719628AFeb 17, 1998

Video signal coding method and apparatus

NEC CORP13 citations74
US5534926AJul 9, 1996

Multiplex transmission method for motion picture signals and apparatus therefor

NEC CORP18 citations74
US5453791ASep 26, 1995

Block matching type motion compensation encoder with controllable predictive quantizer

NEC CORP6 citations63
US4970591ANov 13, 1990

Control of an encoding parameter according to a ratio of a moving picture area in each frame

NEC CORP3 citations63
US4985782AJan 15, 1991

Reproduction system capable of reproducing a still image by interrupting a sequence of recorded signals

NEC CORP6 citations62

JIDOSHA KIKI CO

4 patents

DENSO CORP

1 patent