Inventor

MUKAWA NAOKI

JP14 patents

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

NIPPON TELEGRAPH & TELEPHONE

7 patents

US4593267AJun 3, 1986

KOKUSAI DENSHIN DENWA CO LTD

4 patents

US4920426AApr 24, 1990

Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information

KOKUSAI DENSHIN DENWA CO LTD167 citations98

US4908862AMar 13, 1990

Encoding system capable of accomplishing a high efficiency by anterior and/or posterior processing to quantization

KOKUSAI DENSHIN DENWA CO LTD36 citations92

US4805017AFeb 14, 1989

System for coding and transmitting motion image signals

KOKUSAI DENSHIN DENWA CO LTD37 citations92

US4807028AFeb 21, 1989

Decoding device capable of producing a decoded video signal with a reduced delay

KOKUSAI DENSHIN DENWA CO LTD15 citations73

NEC CORP

3 patents

US4802006AJan 31, 1989

Signal processing unit for producing a selected one of signals predictive of original signals

NEC CORP24 citations91

US4731664AMar 15, 1988

Method and arrangement for refreshing a frame memory in an interframe encoding system

NEC CORP28 citations91

US4688233AAug 18, 1987

Digital data transmitting device for communication paths of restricted and unrestricted transmission characteristics

NEC CORP6 citations58

MUKAWA NAOKI

NIPPON TELEGRAPH & TELEPHONE

Digital data code conversion circuit for variable-word-length data code

Interframe coding method and apparatus therefor

Intraframe coding and decoding equipment for video signals of different quality

System for detecting a transmission error