Inventor · disambiguated record
Naoki Mukawa
Also filed as: MUKAWA NAOKI
14 granted patents·462 citations·filing 1983–2019
93Inventor score
Top patents by PatentIndex Score
14 records- 0196US4920426AImage coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of informationKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Apr 24, 1990·167 cites·5 claims
- 0296US4593267ADigital data code conversion circuit for variable-word-length data codeNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Jun 3, 1986·74 cites·5 claims
- 0389US4591909AInterframe coding method and apparatus thereforNIPPON TELEGRAPH & TELEPHONE·Filed 1984·Granted May 27, 1986·53 cites·22 claims
- 0480US4805017ASystem for coding and transmitting motion image signalsKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Feb 14, 1989·37 cites·16 claims
- 0579US4908862AEncoding system capable of accomplishing a high efficiency by anterior and/or posterior processing to quantizationKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Mar 13, 1990·36 cites·10 claims
- 0673US4731664AMethod and arrangement for refreshing a frame memory in an interframe encoding systemNEC CORP·Filed 1985·Granted Mar 15, 1988·28 cites·12 claims
- 0767US4802006ASignal processing unit for producing a selected one of signals predictive of original signalsNEC CORP·Filed 1985·Granted Jan 31, 1989·24 cites·4 claims
- 0865US4603347AIntraframe coding and decoding equipment for video signals of different qualityNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Jul 29, 1986·16 cites·11 claims
- 0958US4807028ADecoding device capable of producing a decoded video signal with a reduced delayKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Feb 21, 1989·15 cites·5 claims
- 1039US11978443B2Conversation assistance device, conversation assistance method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 7, 2024·0 cites·7 claims
- 1138US11381534B2Communication server device, communication control method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 5, 2022·0 cites·5 claims
- 1234US4677480ASystem for detecting a transmission errorNIPPON TELEGRAPH & TELEPHONE·Filed 1984·Granted Jun 30, 1987·3 cites·2 claims
- 1332US4791485ASystem for detecting a transmission errorNIPPON TELEGRAPH & TELEPHONE·Filed 1986·Granted Dec 13, 1988·3 cites·11 claims
- 1430US4688233ADigital data transmitting device for communication paths of restricted and unrestricted transmission characteristicsNEC CORP·Filed 1985·Granted Aug 18, 1987·6 cites·9 claims
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