Inventor · disambiguated record
Toshio Koga
Also filed as: KOGA TOSHIO
36 granted patents·2 pending applications·1,417 citations·filing 1975–2025
98Inventor score
Files withNEC CORP25NIPPON ELECTRIC CO5YAMAHA MOTOR CO LTD3KOKUSAI DENSHIN DENWA CO LTD2MITSUBISHI ELECTRIC CORP2
Top patents by PatentIndex Score
38 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
- 0295US4931879AImage 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 methodsNEC CORP·Filed 1988·Granted Jun 5, 1990·131 cites·11 claims
- 0395US4006297ATelevision signal coding systemNIPPON ELECTRIC CO·Filed 1975·Granted Feb 1, 1977·110 cites·4 claims
- 0493US4460923APredictive coding system for television signalsNIPPON ELECTRIC CO·Filed 1982·Granted Jul 17, 1984·83 cites·5 claims
- 0591US4562468AAdaptive predictive coding apparatus of television signalNEC CORP·Filed 1983·Granted Dec 31, 1985·62 cites·6 claims
- 0691US4371895ACoded video signal transmitting and receiving systemNIPPON ELECTRIC CO·Filed 1981·Granted Feb 1, 1983·61 cites·9 claims
- 0790US4144543APredictive codec capable of selecting one of at least three prediction signals in two stepsNIPPON ELECTRIC CO·Filed 1977·Granted Mar 13, 1979·49 cites·11 claims
- 0888US4723161AMethod and arrangement of coding digital image signals utilizing interframe correlationNEC CORP·Filed 1986·Granted Feb 2, 1988·59 cites·4 claims
- 0986US5361096AMethod and apparatus for multiplex transmission of video signals in a plurality of channels with refresh control utilizing intraframe codingNEC CORP·Filed 1993·Granted Nov 1, 1994·76 cites·6 claims
- 1084US5550589AMethod of adaptively multiplexing a plurality of video channel data using channel data assignment information obtained from a look-up tableNEC CORP·Filed 1994·Granted Aug 27, 1996·80 cites·10 claims
- 1183US4924311ADual-mode teleconferencing systemNEC CORP·Filed 1989·Granted May 8, 1990·61 cites·23 claims
- 1282US4851906AData compression using orthogonal transform and vector quantizationNEC CORP·Filed 1987·Granted Jul 25, 1989·41 cites·9 claims
- 1380US4805017ASystem for coding and transmitting motion image signalsKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Feb 14, 1989·37 cites·16 claims
- 1479US6344804B1Vehicle-onboard ETC apparatus and method with visible/audible ETC-relevant information messagingMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Feb 5, 2002·13 cites·16 claims
- 1577US5032905AAccurate detection of a drastic change between successive picturesNEC CORP·Filed 1990·Granted Jul 16, 1991·43 cites·12 claims
- 1677US4710810APredictive coding/decoding apparatus for video signalNEC CORP·Filed 1985·Granted Dec 1, 1987·32 cites·14 claims
- 1777US4202011ATelevision signal coderNIPPON ELECTRIC CO·Filed 1977·Granted May 6, 1980·21 cites·6 claims
- 1876US10625817B2Electrically power assisted bicycle with ambient light controlled headlightYAMAHA MOTOR CO LTD·Filed 2017·Granted Apr 21, 2020·4 cites·10 claims
- 1976US4684923AEncoder with selective indication of compression encoding and decoder thereforNEC CORP·Filed 1985·Granted Aug 4, 1987·30 cites·20 claims
- 2074US4942476ARecording system for recording on a ROM image signal information which has been subjected to efficient redundancy codingNEC CORP·Filed 1988·Granted Jul 17, 1990·28 cites·4 claims
- 2174US4656511AVideo signal compressing and coding apparatusNEC CORP·Filed 1984·Granted Apr 7, 1987·20 cites·8 claims
- 2273US6052416AData processor and data receiverNEC CORP·Filed 1997·Granted Apr 18, 2000·44 cites·14 claims
- 2369US2025326460A1Drive unit and electrically assisted bicycleYAMAHA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 2468US4727421AMethod of coding picture signal and picture coding/decoding apparatus utilizing the sameNEC CORP·Filed 1985·Granted Feb 23, 1988·21 cites·13 claims
- 2567US4802006ASignal processing unit for producing a selected one of signals predictive of original signalsNEC CORP·Filed 1985·Granted Jan 31, 1989·24 cites·4 claims
- 2663US5483534ATransmitting system having transmitting paths with low transmitting ratesNEC CORP·Filed 1993·Granted Jan 9, 1996·22 cites·7 claims
- 2763US4969039AImage processing system operable in cooperation with a recording mediumNEC CORP·Filed 1988·Granted Nov 6, 1990·20 cites·9 claims
- 2859US5534926AMultiplex transmission method for motion picture signals and apparatus thereforNEC CORP·Filed 1994·Granted Jul 9, 1996·18 cites·15 claims
- 2959US4733298AMethod of coding a video signal whereby pictures can be reproduced with a high quality and a device thereforNEC CORP·Filed 1985·Granted Mar 22, 1988·15 cites·7 claims
- 3057US7567919B1Vehicle-onboard ETC apparatusMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 28, 2009·12 cites·7 claims
- 3150US5369437ATime-varying image signal coding/decoding systemNEC CORP·Filed 1992·Granted Nov 29, 1994·10 cites·6 claims
- 3243US10293882B2Electrically power assisted bicycleYAMAHA MOTOR CO LTD·Filed 2017·Granted May 21, 2019·0 cites·20 claims
- 3343US5469213ATime-varying image signal coding/decoding systemNEC CORP·Filed 1994·Granted Nov 21, 1995·7 cites·12 claims
- 3441US5424777ATime-varying image signal coding/decoding systemNEC CORP·Filed 1994·Granted Jun 13, 1995·6 cites·12 claims
- 3540US4985782AReproduction system capable of reproducing a still image by interrupting a sequence of recorded signalsNEC CORP·Filed 1988·Granted Jan 15, 1991·6 cites·4 claims
- 3637US4982284AVideo signal decoding system having a frame synchronizer functionNEC CORP·Filed 1989·Granted Jan 1, 1991·4 cites·8 claims
- 3732US2015355917A1Data processing apparatus and communication systemTSUJIMURA TATSUNORI·Filed 2013·Application pending·0 cites
- 3827US5953064AImage signal encoding system capable of correctly encoding an editing image signal before and after switching time points of selection of input dynamic image signalsNEC CORP·Filed 1998·Granted Sep 14, 1999·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →