Inventor · disambiguated record
Yutaka Takafuji
Also filed as: TAKAFUJI YUTAKA
86 granted patents·22 pending applications·4,626 citations·filing 1979–2011
99Inventor score
Top patents by PatentIndex Score
108 records- 0199US7436027B2Semiconductor device and fabrication method for the sameSHARP KK·Filed 2006·Granted Oct 14, 2008·271 cites·15 claims
- 0299US7205204B2Semiconductor device and fabrication method for the sameSHARP KK·Filed 2004·Granted Apr 17, 2007·287 cites·24 claims
- 0398US7619250B2Semiconductor device and manufacturing method thereof, SOI substrate and display device using the same, and manufacturing method of the SOI substrateSHARP KK·Filed 2006·Granted Nov 17, 2009·73 cites·24 claims
- 0498US7508034B2Single-crystal silicon substrate, SOI substrate, semiconductor device, display device, and manufacturing method of semiconductor deviceSHARP KK·Filed 2003·Granted Mar 24, 2009·347 cites·24 claims
- 0598US7488980B2Thin film semiconductor device and fabrication method thereforSHARP KK·Filed 2004·Granted Feb 10, 2009·270 cites·6 claims
- 0698US7119365B2Semiconductor device and manufacturing method thereof, SOI substrate and display device using the same, and manufacturing method of the SOI substrateSHARP KK·Filed 2003·Granted Oct 10, 2006·241 cites·31 claims
- 0798US6522323B1Level shift circuit and image display deviceSHARP KK·Filed 2000·Granted Feb 18, 2003·184 cites·22 claims
- 0898US5182620AActive matrix display deviceSHARP KK·Filed 1991·Granted Jan 26, 1993·329 cites·7 claims
- 0997US4746628AMethod for making a thin film transistorSHARP KK·Filed 1986·Granted May 24, 1988·192 cites·13 claims
- 1096US4425572AThin film transistorSHARP KK·Filed 1981·Granted Jan 10, 1984·97 cites·4 claims
- 1195US5576730AActive matrix substrate and a method for producing the sameSHARP KK·Filed 1993·Granted Nov 19, 1996·154 cites·17 claims
- 1294US7884367B2Semiconductor device and manufacturing method thereof, SOI substrate and display device using the same, and manufacturing method of the SOI substrateSHARP KK·Filed 2009·Granted Feb 8, 2011·19 cites·2 claims
- 1393US7262464B2Semiconductor device with single crystal semiconductor layer(s) bonded to insulating surface of substrateSHARP KK·Filed 2005·Granted Aug 28, 2007·31 cites·13 claims
- 1492US5528056ACMOS thin-film transistor having split gate structureSHARP KK·Filed 1995·Granted Jun 18, 1996·118 cites·17 claims
- 1592US4842371ALiquid crystal display device having interlaced driving circuits for driving rows and columns one-half cycle out of phaseSHARP KK·Filed 1988·Granted Jun 27, 1989·87 cites·22 claims
- 1691US8008205B2Methods for producing a semiconductor device having planarization filmsSHARP KK·Filed 2006·Granted Aug 30, 2011·22 cites·14 claims
- 1791US5801673ALiquid crystal display device and method for driving the sameSHARP KK·Filed 1994·Granted Sep 1, 1998·102 cites·24 claims
- 1891US5629787AMethod for producing an LCD by pressing the substratesSHARP KK·Filed 1995·Granted May 13, 1997·96 cites·16 claims
- 1991US5596023ASealing material for liquid crystal display panel, and liquid crystal display panel using itSHARP KK·Filed 1995·Granted Jan 21, 1997·132 cites·8 claims
- 2090US4469568AMethod for making thin-film transistorsSHARP KK·Filed 1982·Granted Sep 4, 1984·52 cites·1 claims
- 2189US7919392B2Semiconductor device and method of manufacturing the sameSHARP KK·Filed 2009·Granted Apr 5, 2011·14 cites·18 claims
- 2289US6618033B2Liquid crystal display deviceSHARP KK·Filed 2000·Granted Sep 9, 2003·38 cites·10 claims
- 2389US5499127ALiquid crystal display device having a larger gap between the substrates in the display area than in the sealant areaSHARP KK·Filed 1993·Granted Mar 12, 1996·79 cites·3 claims
- 2488US6759277B1Crystalline silicon die array and method for assembling crystalline silicon sheets onto substratesSHARP LAB OF AMERICA INC·Filed 2003·Granted Jul 6, 2004·44 cites·25 claims
- 2588US6693617B2Liquid crystal display apparatus and data driverSHARP KK·Filed 2001·Granted Feb 17, 2004·37 cites·10 claims
- 2688US4404578AStructure of thin film transistorsSHARP KK·Filed 1980·Granted Sep 13, 1983·45 cites·10 claims
- 2786US7002659B1Liquid crystal panel and liquid crystal projectorSHARP KK·Filed 2000·Granted Feb 21, 2006·30 cites·69 claims
- 2886US6081310AReflection-type liquid crystal display having a silver or silver alloy upper electrode layerSHARP KK·Filed 1998·Granted Jun 27, 2000·105 cites·50 claims
- 2985US7525530B2Display device and scanning circuit testing methodSHARP KK·Filed 2005·Granted Apr 28, 2009·7 cites·7 claims
- 3085US7183179B2System and method for hydrogen exfoliation getteringSHARP LAB OF AMERICA INC·Filed 2004·Granted Feb 27, 2007·32 cites·17 claims
- 3185US5677749AMethod for producing an LCD having no spacers in the display area in which heating alleviates cell distortion or greater pressure is applied to the seal regionSHARP KK·Filed 1995·Granted Oct 14, 1997·65 cites·14 claims
- 3285US5568297AMethod of making a liquid crystal display device by measuring the liquid crystal layer thickness and adjustingSHARP KK·Filed 1995·Granted Oct 22, 1996·63 cites·2 claims
- 3385US5172254AProjection-type liquid crystal display apparatusSHARP KK·Filed 1989·Granted Dec 15, 1992·61 cites·29 claims
- 3485US5155612ALiquid crystal display device with light shieldSHARP KK·Filed 1990·Granted Oct 13, 1992·71 cites·13 claims
- 3584US6028580ALiquid crystal display deviceSHARP KK·Filed 1996·Granted Feb 22, 2000·68 cites·19 claims
- 3683US5037196AProjection-type color display apparatusSHARP KK·Filed 1988·Granted Aug 6, 1991·19 cites·4 claims
- 3782US7244990B2Semiconductor deviceSHARP KK·Filed 2004·Granted Jul 17, 2007·24 cites·23 claims
- 3881US7253040B2Fabrication method of semiconductor deviceSHARP KK·Filed 2004·Granted Aug 7, 2007·29 cites·8 claims
- 3981US5684552AColor liquid crystal display having a color filter composed of multilayer thin filmsSHARP KK·Filed 1994·Granted Nov 4, 1997·55 cites·8 claims
- 4080US5159477AActive matrix display device having additional capacitors connected to switching elements and additional capacitor common lineSHARP KK·Filed 1990·Granted Oct 27, 1992·54 cites·7 claims
- 4180US4928123AProjection type liquid crystal display deviceSHARP KK·Filed 1988·Granted May 22, 1990·35 cites·7 claims
- 4279US5506598AActive matrix substrate and a method for driving the sameSHARP KK·Filed 1993·Granted Apr 9, 1996·50 cites·8 claims
- 4378US7528446B2Semiconductor substrate, semiconductor device, and manufacturing methods for themSHARP KK·Filed 2005·Granted May 5, 2009·6 cites·26 claims
- 4478US7179719B2System and method for hydrogen exfoliationSHARP LAB OF AMERICA INC·Filed 2004·Granted Feb 20, 2007·22 cites·17 claims
- 4577US7563693B2Method for manufacturing semiconductor substrate and semiconductor substrateSHARP KK·Filed 2005·Granted Jul 21, 2009·5 cites·13 claims
- 4677US5748175ALCD driving apparatus allowing for multiple aspect resolutionSHARP KK·Filed 1995·Granted May 5, 1998·51 cites·20 claims
- 4774US7791190B2Substrate with crystal silicon arraySHARP LAB OF AMERICA INC·Filed 2004·Granted Sep 7, 2010·15 cites·4 claims
- 4874US6507381B1Liquid crystal panel having tilted liquid crystal molecules and liquid crystal display using the liquid crystal panelSHARP KK·Filed 1998·Granted Jan 14, 2003·49 cites·3 claims
- 4973US8129768B2Integrated circuit device, manufacturing method thereof, and display deviceSHIBATA AKIHIDE·Filed 2007·Granted Mar 6, 2012·12 cites·10 claims
- 5073US6831625B2LCD driving circuitry with reduced number of control signalsSHARP KK·Filed 2002·Granted Dec 14, 2004·12 cites·28 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Yutaka Takafuji 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 →