Inventor · disambiguated record
Toshiyuki Akiyama
Also filed as: AKIYAMA TOSHIYUKI · HORIUCHI MASATADA · NAKAMURA HISASHI
52 granted patents·8 pending applications·1,240 citations·filing 1978–2021
99Inventor score
Top patents by PatentIndex Score
60 records- 0194US5282045ADepth-of-field control apparatus and image pickup apparatus having the same thereinHITACHI LTD·Filed 1991·Granted Jan 25, 1994·183 cites·6 claims
- 0289US4246601ASolid-state color imaging deviceHITACHI LTD·Filed 1979·Granted Jan 20, 1981·43 cites·16 claims
- 0389US4245241ASolid-state color imaging deviceHITACHI LTD·Filed 1979·Granted Jan 13, 1981·44 cites·25 claims
- 0487US7023406B1Method and apparatus for enhancing peak luminance on plasma display panelNEC CORP·Filed 2000·Granted Apr 4, 2006·33 cites·34 claims
- 0587US7002296B2Plasma display panel and method for fabricating the samePIONEER CORP·Filed 2001·Granted Feb 21, 2006·24 cites·45 claims
- 0687US4407010ASolid state image pickup deviceHITACHI LTD·Filed 1981·Granted Sep 27, 1983·62 cites·10 claims
- 0787US4233632ASolid state image pickup device with suppressed so-called blooming phenomenonHITACHI LTD·Filed 1978·Granted Nov 11, 1980·35 cites·6 claims
- 0884US6907026B2Receiving apparatus for signal transmission system of orthogonal frequency division multiplexing typeHITACHI INT ELECTRIC INC·Filed 2001·Granted Jun 14, 2005·42 cites·16 claims
- 0982US6034474AColor plasma display panel with electromagnetic field shielding layerNEC CORP·Filed 1998·Granted Mar 7, 2000·41 cites·5 claims
- 1077US4825291ASolid-state televison camera with storage time controllerHITACHI LTD·Filed 1987·Granted Apr 25, 1989·30 cites·13 claims
- 1176US6304611B1OFDM modulator and OFDM modulation method for digital modulated wave having guard intervalHITACHI ELECTRONICS·Filed 1998·Granted Oct 16, 2001·104 cites·19 claims
- 1276US4774586AInterline type charge transfer imaging deviceHITACHI LTD·Filed 1985·Granted Sep 27, 1988·33 cites·14 claims
- 1375US4283742ASolid-state imaging apparatus with fixed pattern noise reductionHITACHI LTD·Filed 1979·Granted Aug 11, 1981·35 cites·12 claims
- 1474US4689687ACharge transfer type solid-state imaging deviceHITACHI LTD·Filed 1985·Granted Aug 25, 1987·28 cites·15 claims
- 1573US4716455AChrominance signal interpolation device for a color cameraHITACHI LTD·Filed 1986·Granted Dec 29, 1987·31 cites·14 claims
- 1672US7336033B2Plasma display panel and method for fabricating the samePIONEER CORP·Filed 2005·Granted Feb 26, 2008·2 cites·9 claims
- 1772US6512798B1Digital communication system of orthogonal modulation typeHITACHI ELECTRONICS·Filed 1999·Granted Jan 28, 2003·78 cites·11 claims
- 1872US4413284ANoise reducer for a solid state imagerHITACHI LTD·Filed 1981·Granted Nov 1, 1983·20 cites·5 claims
- 1968US7016298B2Signal transmission/reception system of orthogonal frequency division multiplexingJAPAN BROADCASTING CORP·Filed 2001·Granted Mar 21, 2006·14 cites·18 claims
- 2065US4209806ASolid-state imaging deviceHITACHI LTD·Filed 1978·Granted Jun 24, 1980·14 cites·20 claims
- 2164US4498106APulse generator for solid-state television cameraHITACHI LTD·Filed 1982·Granted Feb 5, 1985·15 cites·5 claims
- 2264US4210942AVideo signal play-back circuitHITACHI LTD·Filed 1978·Granted Jul 1, 1980·9 cites·8 claims
- 2363US6381251B1Data transmission apparatus and receiving apparatus using orthogonal frequency division multiplex modulation systemHITACHI ELECTRONICS·Filed 1998·Granted Apr 30, 2002·51 cites·42 claims
- 2463US4281338ASolid state color imaging apparatusHITACHI LTD·Filed 1979·Granted Jul 28, 1981·13 cites·7 claims
- 2562US9704925B2EL display deviceJOLED INC·Filed 2013·Granted Jul 11, 2017·1 cites·1 claims
- 2660US12376458B2Organic EL element, organic EL panel, and organic EL element manufacturing methodJDI DESIGN AND DEV G K·Filed 2021·Granted Jul 29, 2025·0 cites·9 claims
- 2760US10756308B2Organic electroluminescence element and method of manufacturing the sameJOLED INC·Filed 2018·Granted Aug 25, 2020·0 cites·6 claims
- 2860US6246735B1Synchronization detection method for data transmission apparatus and data transmission apparatus using the sameHITACHI ELECTRONICS·Filed 1998·Granted Jun 12, 2001·44 cites·25 claims
- 2960US4578707AMethod of reducing vertical smears of a solid state image sensorHITACHI LTD·Filed 1984·Granted Mar 25, 1986·14 cites·18 claims
- 3059US7847481B2Plasma display panel and method for fabricating the samePANASONIC CORP·Filed 2007·Granted Dec 7, 2010·0 cites·19 claims
- 3158US11700734B2Organic el element, and organic el display panel including light- emitting layer and functional layer with specific hole and electron mobilities relationshipJOLED INC·Filed 2020·Granted Jul 11, 2023·0 cites·9 claims
- 3258US5113247ASolid state image pickup apparatus for correcting discrepancy of registrationHITACHI LTD·Filed 1989·Granted May 12, 1992·14 cites·17 claims
- 3358US4805025ASignal read-out apparatus for solid-state imagerHITACHI LTD·Filed 1987·Granted Feb 14, 1989·16 cites·38 claims
- 3457US6965650B2Digital modulation type signal transmission apparatus and method of displaying received signal in the signal transmission apparatusJAPAN BROADCASTING CORP·Filed 2001·Granted Nov 15, 2005·5 cites·14 claims
- 3556US7012581B2Plasma display panelPIONEER CORP·Filed 2003·Granted Mar 14, 2006·5 cites·19 claims
- 3656US4467347AColor imaging deviceHITACHI LTD·Filed 1982·Granted Aug 21, 1984·11 cites·17 claims
- 3752US2022199930A1Organic el element, organic el display panel, and organic el element manufacturing methodJOLED INC·Filed 2021·Application pending·0 cites
- 3850US6611493B1Communication, transmission and receiving method and apparatus using orthogonal frequency division multiplexing modulation systemHITACHI ELECTRONICS·Filed 1999·Granted Aug 26, 2003·27 cites·34 claims
- 3950US4577231AHigh sensitivity solid-state imaging deviceHITACHI LTD·Filed 1983·Granted Mar 18, 1986·9 cites·8 claims
- 4048US10008698B2Organic electroluminescence element and method of manufacturing the sameJOLED INC·Filed 2015·Granted Jun 26, 2018·0 cites·8 claims
- 4148US5257326AMethod and apparatus for interpolating a video signal of a picture element which has not been sampled and transmitted by an interleave sampling operationHITACHI LTD·Filed 1991·Granted Oct 26, 1993·11 cites·6 claims
- 4246US2015221870A1Method for producing el display device, transfer substrate used in production of el display device, and method for producing transfer substrate used in production of el display deviceJOLED INC·Filed 2013·Application pending·0 cites
- 4346US2020365820A1Organic el element, organic el display panel, and manufacturing method of organic el elementJOLED INC·Filed 2020·Application pending·0 cites
- 4446US2007046211A1Plasma display panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 4546US2020373494A1Light-emitting layer-forming ink and manufacturing method of organic el elementJOLED INC·Filed 2020·Application pending·0 cites
- 4645US8482200B2Plasma display panel and protective film protecting electrodes of plasma display panelONIMARU TOSHIAKI·Filed 2011·Granted Jul 9, 2013·0 cites·3 claims
- 4745US7952277B2Plasma display panelADVANCED PDP DEV CT CORP·Filed 2007·Granted May 31, 2011·0 cites·9 claims
- 4845US6046629AMethod of an apparatus for demodulating amplitude-modulated signals in an amplitude phase shift keying (APSK) systemHITACHI ELECTRONICS·Filed 1998·Granted Apr 4, 2000·20 cites·25 claims
- 4945US4532549ASolid-state imaging device with high quasi-signal sweep-out efficiency and high signal charge transfer efficiencyHITACHI LTD·Filed 1983·Granted Jul 30, 1985·9 cites·4 claims
- 5044US6038249ASpectrum spread transmission method and apparatusHITACHI ELECTRONICS·Filed 1997·Granted Mar 14, 2000·13 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →