Inventor · disambiguated record
Toshihisa Tsukada
Also filed as: TSUKADA TOSHIHISA
53 granted patents·1,868 citations·filing 1975–2013
99Inventor score
Top patents by PatentIndex Score
53 records- 0197US5359206AThin film transistor substrate, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1990·Granted Oct 25, 1994·168 cites·17 claims
- 0293US4955697ALiquid crystal display device and method of driving the sameHITACHI LTD·Filed 1988·Granted Sep 11, 1990·94 cites·8 claims
- 0392US5032531AMethod of manufacturing active matrix panelHITACHI LTD·Filed 1989·Granted Jul 16, 1991·97 cites·19 claims
- 0489US5151385AMethod of manufacturing a metallic silicide transparent electrodeHITACHI LTD·Filed 1988·Granted Sep 29, 1992·76 cites·17 claims
- 0588US5854997AElectronic interpreter utilizing linked sets of sentencesHITACHI LTD·Filed 1995·Granted Dec 29, 1998·149 cites·30 claims
- 0687US5719408AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1997·Granted Feb 17, 1998·49 cites·8 claims
- 0787US4996571ANon-volatile semiconductor memory device erasing operationHITACHI LTD·Filed 1989·Granted Feb 26, 1991·56 cites·4 claims
- 0887US4500915AColor solid-state imagerHITACHI LTD·Filed 1982·Granted Feb 19, 1985·44 cites·4 claims
- 0987US4407010ASolid state image pickup deviceHITACHI LTD·Filed 1981·Granted Sep 27, 1983·62 cites·10 claims
- 1086US4412900AMethod of manufacturing photosensorsHITACHI LTD·Filed 1982·Granted Nov 1, 1983·51 cites·27 claims
- 1186US4255686AStorage type photosensor containing silicon and hydrogenHITACHI LTD·Filed 1979·Granted Mar 10, 1981·23 cites·9 claims
- 1285US9392898B2Folding hangerCUBE IT LTD·Filed 2013·Granted Jul 19, 2016·12 cites·4 claims
- 1383US5130773ASemiconductor device with photosensitivityHITACHI LTD·Filed 1990·Granted Jul 14, 1992·62 cites·31 claims
- 1483US4972371ASemiconductor memory deviceHITACHI LTD·Filed 1988·Granted Nov 20, 1990·46 cites·56 claims
- 1582US5153690AThin-film deviceHITACHI LTD·Filed 1990·Granted Oct 6, 1992·51 cites·26 claims
- 1682US4565928APhoto electro transducer deviceNIPPON TELEGRAPH & TELEPHONE·Filed 1982·Granted Jan 21, 1986·33 cites·16 claims
- 1781US5079603ASemiconductor memory deviceHITACHI LTD·Filed 1990·Granted Jan 7, 1992·53 cites·52 claims
- 1881US4990981AThin film transistor and a liquid crystal display device using sameHITACHI LTD·Filed 1989·Granted Feb 5, 1991·45 cites·20 claims
- 1981US4232219APhotosensorNIPPON TELEGRAPH & TELEPHONE·Filed 1979·Granted Nov 4, 1980·27 cites·14 claims
- 2079US5889573AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1997·Granted Mar 30, 1999·31 cites·11 claims
- 2179US5585290AMethod of manufacturing a thin film transistor substrateHITACHI LTD·Filed 1993·Granted Dec 17, 1996·29 cites·10 claims
- 2279US4909602ALiquid crystal display and method of driving the sameHITACHI LTD·Filed 1988·Granted Mar 20, 1990·42 cites·11 claims
- 2379US4249106ARadiation sensitive screenHITACHI LTD·Filed 1979·Granted Feb 3, 1981·16 cites·7 claims
- 2475US5340760AMethod of manufacturing EEPROM memory deviceKOMORI KAZUHIRO·Filed 1992·Granted Aug 23, 1994·45 cites·26 claims
- 2575US4121177ASemiconductor device and a method of fabricating the sameHITACHI LTD·Filed 1975·Granted Oct 17, 1978·18 cites·14 claims
- 2674US5672523AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1995·Granted Sep 30, 1997·24 cites·1 claims
- 2774US5200634AThin film phototransistor and photosensor array using the sameHITACHI LTD·Filed 1991·Granted Apr 6, 1993·40 cites·52 claims
- 2874US4142160AHetero-structure injection laserHITACHI LTD·Filed 1975·Granted Feb 27, 1979·30 cites·2 claims
- 2973US5266825AThin-film deviceHITACHI LTD·Filed 1992·Granted Nov 30, 1993·34 cites·35 claims
- 3072US4213805ALiquid phase epitaxy method of forming a filimentary laser deviceHITACHI LTD·Filed 1978·Granted Jul 22, 1980·27 cites·21 claims
- 3171US4233506APhoto-sensorNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Nov 11, 1980·17 cites·22 claims
- 3268US4227078APhoto-sensorNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Oct 7, 1980·15 cites·22 claims
- 3367US4351856ASemiconductor device and method of manufacturing the sameHITACHI LTD·Filed 1980·Granted Sep 28, 1982·27 cites·8 claims
- 3466US5189497ASemiconductor memory deviceHITACHI LTD·Filed 1991·Granted Feb 23, 1993·26 cites·23 claims
- 3564US4618873AThin film deviceHITACHI LTD·Filed 1984·Granted Oct 21, 1986·16 cites·13 claims
- 3663US4683487AHeterojunction bipolar transistorHITACHI LTD·Filed 1985·Granted Jul 28, 1987·20 cites·19 claims
- 3763US4360821ASolid-state imaging deviceHITACHI LTD·Filed 1979·Granted Nov 23, 1982·23 cites·11 claims
- 3862US6483660B1Disk drive unit having multiple disks arranged in a planeHITACHI LTD·Filed 1997·Granted Nov 19, 2002·15 cites·7 claims
- 3961US4323912ASolid-state imaging deviceHITACHI LTD·Filed 1980·Granted Apr 6, 1982·19 cites·5 claims
- 4060US4051528AApparatus for optically reconstructing informationHITACHI LTD·Filed 1976·Granted Sep 27, 1977·16 cites·12 claims
- 4159US4556800AOptical image sensor apparatus with grouped photosensors connected in commonNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Dec 3, 1985·14 cites·7 claims
- 4259US4430185AMethod of producing photoelectric transducersHITACHI LTD·Filed 1981·Granted Feb 7, 1984·18 cites·21 claims
- 4353US4788582ASemiconductor device and method of manufacturing the sameHITACHI LTD·Filed 1986·Granted Nov 29, 1988·16 cites·22 claims
- 4453US4495409APhotosensor with diode arrayHITACHI LTD·Filed 1982·Granted Jan 22, 1985·15 cites·8 claims
- 4551US4429325APhotosensorHITACHI LTD·Filed 1980·Granted Jan 31, 1984·12 cites·12 claims
- 4650US5604142AMethod of making an EPROM with peripheral transistorHITACHI LTD·Filed 1995·Granted Feb 18, 1997·11 cites·26 claims
- 4749US5761352AOptical switch having a two-level crossing between input/output optical waveguidesHITACHI LTD·Filed 1996·Granted Jun 2, 1998·13 cites·33 claims
- 4849US4855795APhotosensorHITACHI LTD·Filed 1986·Granted Aug 8, 1989·10 cites·8 claims
- 4943US4394749APhotoelectric device and method of producing the sameHITACHI LTD·Filed 1980·Granted Jul 19, 1983·8 cites·8 claims
- 5041US4457949AMethod of producing a photoelectric conversion layerHITACHI LTD·Filed 1982·Granted Jul 3, 1984·7 cites·10 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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