Inventor · disambiguated record
Akira Sasano
Also filed as: HIRAI TADAAKI · SASANO AKIRA
52 granted patents·2,173 citations·filing 1974–2006
99Inventor score
Top patents by PatentIndex Score
52 records- 0198US5132820ATFT active matrix liquid crystal display devicesHITACHI LTD·Filed 1988·Granted Jul 21, 1992·192 cites·22 claims
- 0297US7196762B2TFT active matrix liquid crystal display devicesHITACHI LTD·Filed 2005·Granted Mar 27, 2007·19 cites·20 claims
- 0397US5359206AThin film transistor substrate, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1990·Granted Oct 25, 1994·168 cites·17 claims
- 0495US7450210B2TFT active matrix liquid crystal display devicesHITACHI LTD·Filed 2006·Granted Nov 11, 2008·12 cites·8 claims
- 0595US5285301ALiquid crystal display device having peripheral dummy linesHITACHI LTD·Filed 1992·Granted Feb 8, 1994·146 cites·22 claims
- 0694US5177577ALiquid crystal display device with TFT's each including a Ta gate electrode and an anodized Al oxide filmHITACHI LTD·Filed 1991·Granted Jan 5, 1993·122 cites·13 claims
- 0793US4955697ALiquid crystal display device and method of driving the sameHITACHI LTD·Filed 1988·Granted Sep 11, 1990·94 cites·8 claims
- 0892US5528396ATFT active matrix liquid crystal display devices with a holding capacitance between the pixel electrode and a scanning signal lineHITACHI LTD·Filed 1994·Granted Jun 18, 1996·60 cites·30 claims
- 0992US5187604AMulti-layer external terminals of liquid crystal displays with thin-film transistorsHITACHI LTD·Filed 1990·Granted Feb 16, 1993·164 cites·13 claims
- 1091US5331447ATFT active matrix liquid crystal display devices with plural TFTs in parallel per pixelHITACHI LTD·Filed 1992·Granted Jul 19, 1994·63 cites·19 claims
- 1190US6839098B2TFT active matrix liquid crystal display devicesHITACHI LTD·Filed 2002·Granted Jan 4, 2005·23 cites·11 claims
- 1290US5532850ATFT active matrix liquid crystal display with gate lines having two layers, the gate electrode connected to the wider layer onlyHITACHI LTD·Filed 1995·Granted Jul 2, 1996·64 cites·25 claims
- 1389US6384879B2Liquid crystal display device including thin film transistors having gate electrodes completely covering the semiconductorHITACHI LTD·Filed 2000·Granted May 7, 2002·23 cites·22 claims
- 1489US5151385AMethod of manufacturing a metallic silicide transparent electrodeHITACHI LTD·Filed 1988·Granted Sep 29, 1992·76 cites·17 claims
- 1588US6992744B2TFT active matrix liquid crystal display devicesHITACHI LTD·Filed 2004·Granted Jan 31, 2006·19 cites·13 claims
- 1688US5708484ATFT active matrix liquid crystal display devices with two layer gate lines, the first being the same level and material as gate electrodesHITACHI LTD·Filed 1996·Granted Jan 13, 1998·54 cites·41 claims
- 1787US5838399ATFT active matrix liquid crystal display devices with two layer gate lines, the first being the same level as gate electrodes.HITACHI LTD·Filed 1997·Granted Nov 17, 1998·45 cites·28 claims
- 1887US5719408AThin 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
- 1987US4500915AColor solid-state imagerHITACHI LTD·Filed 1982·Granted Feb 19, 1985·44 cites·4 claims
- 2086US4412900AMethod of manufacturing photosensorsHITACHI LTD·Filed 1982·Granted Nov 1, 1983·51 cites·27 claims
- 2184US5402254ALiquid crystal display device with TFTS in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films before the deposition of siliconHITACHI LTD·Filed 1993·Granted Mar 28, 1995·53 cites·48 claims
- 2282US5671027ALCD device with TFTs in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films and before the deposition of the silicon gate insulatorHITACHI LTD·Filed 1995·Granted Sep 23, 1997·59 cites·70 claims
- 2382US4565928APhoto electro transducer deviceNIPPON TELEGRAPH & TELEPHONE·Filed 1982·Granted Jan 21, 1986·33 cites·16 claims
- 2479US5889573AThin 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
- 2579US5585290AMethod of manufacturing a thin film transistor substrateHITACHI LTD·Filed 1993·Granted Dec 17, 1996·29 cites·10 claims
- 2679US4909602ALiquid crystal display and method of driving the sameHITACHI LTD·Filed 1988·Granted Mar 20, 1990·42 cites·11 claims
- 2778US6226059B1Active matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1998·Granted May 1, 2001·45 cites·33 claims
- 2876US5610738AMethod for making LCD device in which gate insulator of TFT is formed after the pixel electrode but before the video signal lineHITACHI LTD·Filed 1995·Granted Mar 11, 1997·43 cites·12 claims
- 2974US5672523AThin 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
- 3072US4273812AMethod of producing material patterns by evaporating material through a perforated mask having a reinforcing bridgeHITACHI LTD·Filed 1979·Granted Jun 16, 1981·20 cites·17 claims
- 3170US4412236AColor solid-state imagerHITACHI LTD·Filed 1980·Granted Oct 25, 1983·27 cites·16 claims
- 3269US6184963B1TFT active matrix LCD devices employing two superposed conductive films having different dimensions for the scanning signal linesHITACHI LTD·Filed 1998·Granted Feb 6, 2001·17 cites·24 claims
- 3368US4395629ASolid-state color imager and method of manufacturing the sameHITACHI LTD·Filed 1980·Granted Jul 26, 1983·26 cites·17 claims
- 3468US3984721AColor pick up tubeHITACHI LTD·Filed 1975·Granted Oct 5, 1976·11 cites·3 claims
- 3567US4311773AMethod of producing color filtersHITACHI LTD·Filed 1980·Granted Jan 19, 1982·24 cites·16 claims
- 3665US3957609AMethod of forming fine pattern of thin, transparent, conductive filmHITACHI LTD·Filed 1974·Granted May 18, 1976·10 cites·10 claims
- 3764US4618873AThin film deviceHITACHI LTD·Filed 1984·Granted Oct 21, 1986·16 cites·13 claims
- 3863US5781255AActive matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1996·Granted Jul 14, 1998·25 cites·23 claims
- 3963US4360821ASolid-state imaging deviceHITACHI LTD·Filed 1979·Granted Nov 23, 1982·23 cites·11 claims
- 4059US4430185AMethod of producing photoelectric transducersHITACHI LTD·Filed 1981·Granted Feb 7, 1984·18 cites·21 claims
- 4159US4285007AColor solid-state imager and method of making the sameHITACHI LTD·Filed 1980·Granted Aug 18, 1981·17 cites·8 claims
- 4255US5589962AActive matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1995·Granted Dec 31, 1996·17 cites·1 claims
- 4353US4788582ASemiconductor device and method of manufacturing the sameHITACHI LTD·Filed 1986·Granted Nov 29, 1988·16 cites·22 claims
- 4452US5623350ALiquid crystal display with supplemental capacitors and method for manufacturing the sameHITACHI LTD·Filed 1995·Granted Apr 22, 1997·20 cites·31 claims
- 4552US3997810AColor pickup tube face plate with opaque shading stripes overlapping adjacent filtersHITACHI LTD·Filed 1975·Granted Dec 14, 1976·6 cites·8 claims
- 4649US4855795APhotosensorHITACHI LTD·Filed 1986·Granted Aug 8, 1989·10 cites·8 claims
- 4743US4387987AMethod of producing solid-state color imaging devicesHITACHI LTD·Filed 1981·Granted Jun 14, 1983·8 cites·11 claims
- 4841US4457949AMethod of producing a photoelectric conversion layerHITACHI LTD·Filed 1982·Granted Jul 3, 1984·7 cites·10 claims
- 4938US4331506AMethod of manufacturing target of image pickup tubeHITACHI LTD·Filed 1980·Granted May 25, 1982·3 cites·6 claims
- 5031US4430400AMethod of producing color filters using dehydrating solutionHITACHI LTD·Filed 1981·Granted Feb 7, 1984·3 cites·16 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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