Inventor · disambiguated record
Yasuhiro Ukai
Also filed as: UKAI YASUHIRO
39 granted patents·2,114 citations·filing 1980–2019
98Inventor score
Top patents by PatentIndex Score
39 records- 0197US4740782ADot-matrix liquid crystal displayHOSIDEN ELECTRONICS CO·Filed 1986·Granted Apr 26, 1988·150 cites·1 claims
- 0296US4644338ADot-matrix liquid crystal displayHOSIDEN ELECTRONICS CO·Filed 1983·Granted Feb 17, 1987·139 cites·12 claims
- 0395US5576858AGray scale LCD control capacitors formed between a control capacitor electrode on one side of an insulating layer and two subpixel electrodes on the other sideHOSIDEN CORP·Filed 1995·Granted Nov 19, 1996·182 cites·2 claims
- 0495US5162933AActive matrix structure for liquid crystal display elements wherein each of the gate/data lines includes at least a molybdenum-base alloy layer containing 0.5 to 10 wt. % of chromiumNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Nov 10, 1992·297 cites·20 claims
- 0595US4760389ATransmitting type display deviceHOSIDEN ELECTRONICS CO·Filed 1986·Granted Jul 26, 1988·128 cites·6 claims
- 0693US4864376AThin-film transistor and method of fabricating the sameHOSIDEN ELECTRONICS CO·Filed 1988·Granted Sep 5, 1989·77 cites·5 claims
- 0792US9460677B2Display apparatus, driving method for display apparatus and electronic apparatusJAPAN DISPLAY INC·Filed 2015·Granted Oct 4, 2016·6 cites·8 claims
- 0892US5321535ALiquid crystal display device with control capacitors for gray scaleHOSIDEN CORP·Filed 1993·Granted Jun 14, 1994·87 cites·1 claims
- 0992US4849797AThin film transistorHOSIDEN ELECTRONICS CO·Filed 1988·Granted Jul 18, 1989·75 cites·19 claims
- 1090US5576863AGray scale multi domain liquid crystal display panel having capacitive voltage division characteristicsHOSIDEN CORP·Filed 1994·Granted Nov 19, 1996·115 cites·16 claims
- 1189US8976103B2Display apparatus, driving method for display apparatus and electronic apparatusINO MASUMITSU·Filed 2008·Granted Mar 10, 2015·8 cites·13 claims
- 1289US5068748AActive matrix liquid crystal display device having improved electrostatic discharge protectionHOSIDEN CORP·Filed 1990·Granted Nov 26, 1991·112 cites·7 claims
- 1388US9016914B2Light source unit assemblyUKAI YASUHIRO·Filed 2012·Granted Apr 28, 2015·12 cites·18 claims
- 1488US4723838ALiquid crystal display deviceHOSIDEN ELECTRONICS CO·Filed 1985·Granted Feb 9, 1988·59 cites·17 claims
- 1587US5245450ALiquid crystal display device with control capacitors for gray-scaleHOSIDEN CORP·Filed 1991·Granted Sep 14, 1993·62 cites·8 claims
- 1684US4971436AProjectorHOSIDEN ELECTRONICS CO·Filed 1989·Granted Nov 20, 1990·59 cites·4 claims
- 1784US4654117AMethod of fabricating a thin film transistor arrayHOSIDEN ELECTRONICS CO·Filed 1986·Granted Mar 31, 1987·45 cites·5 claims
- 1883US4770498ADot-matrix liquid crystal displayHOSIDEN ELECTRONICS CO·Filed 1986·Granted Sep 13, 1988·55 cites·4 claims
- 1982US5042916AActive matrix display device having divided additional capacitorsHOSIDEN CORP·Filed 1990·Granted Aug 27, 1991·68 cites·5 claims
- 2081US4869576ALiquid-crystal display device employing a common electrode consisting of interconnected common electrode sectionsHOSIDEN ELECTRONICS CO·Filed 1988·Granted Sep 26, 1989·41 cites·3 claims
- 2179US4810060AActive color liquid crystal display element compensating for differing voltage-transmission curves of the primary colorsHOSIDEN ELECTRONICS CO·Filed 1988·Granted Mar 7, 1989·42 cites·10 claims
- 2277US9221394B2Lighting device for vehicleUKAI YASUHIRO·Filed 2012·Granted Dec 29, 2015·6 cites·20 claims
- 2377US5121236ALiquid crystal display element and method for treating defective pixels thereinHOSIDEN CORP·Filed 1991·Granted Jun 9, 1992·51 cites·17 claims
- 2477US4776673ALiquid-crystal display deviceHOSIDEN ELECTRONICS CO·Filed 1986·Granted Oct 11, 1988·34 cites·11 claims
- 2576US4497543ALiquid crystal display with colors from dye and polarizer mixedHOSIDEN ELECTRONICS CO·Filed 1981·Granted Feb 5, 1985·37 cites·6 claims
- 2670US5086347ALiquid crystal display device having metallic bus repair layerHOSIDEN ELECTRONICS CO·Filed 1989·Granted Feb 4, 1992·30 cites·12 claims
- 2767US8319760B2Display device, driving method of the same and electronic equipment incorporating the sameINO MASUMITSU·Filed 2008·Granted Nov 27, 2012·1 cites·9 claims
- 2861US8926150B2Lighting device for vehicleUKAI YASUHIRO·Filed 2012·Granted Jan 6, 2015·2 cites·11 claims
- 2960US4943838AThin film transistor and method of making the sameHOSIDEN ELECTRONICS CO·Filed 1988·Granted Jul 24, 1990·24 cites·7 claims
- 3058US4994401AMethod of making a thin film transistorHOSIDEN ELECTRONICS CO·Filed 1990·Granted Feb 19, 1991·28 cites·8 claims
- 3155US5614729ATop gate thin-film transistorHOSIDEN CORP·Filed 1995·Granted Mar 25, 1997·18 cites·20 claims
- 3253US5521729ALiquid crystal display device with control capacitor for gray scaleHOSIDEN CORP·Filed 1994·Granted May 28, 1996·13 cites·3 claims
- 3350US5223961AActive liquid crystal display panel having a short-circuit metal layer and welding metal pads for changing the defect of a defective pixelHOSIDEN CORP·Filed 1992·Granted Jun 29, 1993·18 cites·5 claims
- 3450US4787712AActive matrix liquid crystal display device having capacitive electrodes opposite the source busesHOSIDEN ELECTRONICS CO·Filed 1988·Granted Nov 29, 1988·14 cites·6 claims
- 3546US12017874B2Orientation switching apparatusMURATA MACHINERY LTD·Filed 2019·Granted Jun 25, 2024·0 cites·15 claims
- 3645US5061648AMethod of fabricating a thin-film transistorHOSIDEN ELECTRONICS CO·Filed 1989·Granted Oct 29, 1991·8 cites·6 claims
- 3743US9834385B2Truck transporting deviceMURATA MACHINERY LTD·Filed 2015·Granted Dec 5, 2017·0 cites·12 claims
- 3832US5796457ATN liquid crystal display panel with the difference between the produce of the first retardation film, which is not adjacent to the LC cell, and has larger value than the second retardation film, and the second retardation is in the range of 0<.increment.RHOSIDEN CORP·Filed 1995·Granted Aug 18, 1998·7 cites·2 claims
- 3932US4382659ALiquid crystal display deviceHOSIDEN ELECTRONICS CO·Filed 1980·Granted May 10, 1983·4 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Yasuhiro Ukai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →