Inventor · disambiguated record
Takafumi Kawaguchi
Also filed as: KAWAGUCHI TAKAFUMI
32 granted patents·3 pending applications·652 citations·filing 1988–2008
97Inventor score
Top patents by PatentIndex Score
35 records- 0194US6677925B1Active-matrix-type liquid crystal display device, data signal line driving circuit, and liquid crystal display device driving methodSHARP KK·Filed 2000·Granted Jan 13, 2004·70 cites·22 claims
- 0291US8134675B2Liquid crystal display deviceKAWAGUCHI TAKAFUMI·Filed 2006·Granted Mar 13, 2012·21 cites·3 claims
- 0386US7645112B2Transport apparatus, control method for the same, and vacuum processing systemULVAC INC·Filed 2005·Granted Jan 12, 2010·12 cites·14 claims
- 0485US7369124B2Display device and method for driving the sameSHARP KK·Filed 2004·Granted May 6, 2008·30 cites·6 claims
- 0585US6298779B1Rotary pressTOSHIBA MACHINE CO LTD·Filed 1999·Granted Oct 9, 2001·35 cites·6 claims
- 0683US8366375B2Rotation introduction mechanism, substrate transfer apparatus, and vacuum processing apparatusULVAC INC·Filed 2007·Granted Feb 5, 2013·10 cites·13 claims
- 0782US5349226AActive matrix substrate having a contact pad for detecting bus line signalsSHARP KK·Filed 1991·Granted Sep 20, 1994·61 cites·4 claims
- 0881US7572093B2Transport apparatus, control method for the same, and vacuum processing systemULVAC INC·Filed 2005·Granted Aug 11, 2009·8 cites·13 claims
- 0981US6151006AActive matrix type display device and a method for driving the sameSHARP KK·Filed 1995·Granted Nov 21, 2000·63 cites·11 claims
- 1076US6741229B1Display device and method for driving the sameSHARP KK·Filed 2000·Granted May 25, 2004·16 cites·16 claims
- 1174US7295178B2Display apparatus and display methodSHARP KK·Filed 2003·Granted Nov 13, 2007·14 cites·17 claims
- 1274US6765551B2Column electrode driving circuit for use with image display device and image display device incorporating the sameSHARP KK·Filed 2001·Granted Jul 20, 2004·15 cites·6 claims
- 1373US6118421AMethod and circuit for driving liquid crystal panelSHARP KK·Filed 1996·Granted Sep 12, 2000·41 cites·19 claims
- 1468US7098901B2Display device and driverSHARP KK·Filed 2002·Granted Aug 29, 2006·9 cites·6 claims
- 1568US6980186B2Liquid crystal display having a staggered structure pixel arraySHARP KK·Filed 2002·Granted Dec 27, 2005·10 cites·10 claims
- 1668US5602561AColumn electrode driving circuit for a display apparatusSHARP KK·Filed 1993·Granted Feb 11, 1997·34 cites·13 claims
- 1765US5631670AInformation display device capable of increasing detection speed and detection accuracy of input coordinates on display screen by detecting movement amount of electronic penSHARP KK·Filed 1994·Granted May 20, 1997·28 cites·18 claims
- 1865US5057928ADrive apparatus for liquid crystal display device utilizing a field discriminating apparatusSHARP KK·Filed 1988·Granted Oct 15, 1991·20 cites·6 claims
- 1964US5448024ADisplay-integrated type tablet device with high coordinate detection accuracy and method for driving the sameSHARP KK·Filed 1994·Granted Sep 5, 1995·41 cites·27 claims
- 2059US5422658ADriving method and a driving device for a display deviceSHARP KK·Filed 1994·Granted Jun 6, 1995·23 cites·4 claims
- 2155US7719506B2Display device and driverSHARP KK·Filed 2006·Granted May 18, 2010·0 cites·9 claims
- 2254US5614922ADisplay apparatusSHARP KK·Filed 1995·Granted Mar 25, 1997·19 cites·11 claims
- 2352US5745087ALiquid crystal display method and apparatus for controlling gray scale displaySHARP KK·Filed 1995·Granted Apr 28, 1998·20 cites·13 claims
- 2452US5598177ADriving apparatus and method for an active matrix type liquid crystal display apparatusSHARP KK·Filed 1994·Granted Jan 28, 1997·17 cites·14 claims
- 2549US6771282B2Matrix display device providing a larger connection pitchSHARP KK·Filed 2001·Granted Aug 3, 2004·2 cites·20 claims
- 2646US5319706ASynchronizing circuitSHARP KK·Filed 1991·Granted Jun 7, 1994·10 cites·7 claims
- 2745US7113180B2Plurality of column electrode driving circuits and display device including the sameSHARP KK·Filed 2001·Granted Sep 26, 2006·1 cites·8 claims
- 2845US5166670AColumn electrode driving circuit for a display apparatusSHARP KK·Filed 1990·Granted Nov 24, 1992·11 cites·12 claims
- 2945US2010109220A1Substrate Holding Mechanism and Substrate Assembly Apparatus Including the SameULVAC INC·Filed 2008·Application pending·0 cites
- 3044US8571704B2Substrate transfer apparatusKAWAGUCHI TAKAFUMI·Filed 2008·Granted Oct 29, 2013·0 cites·10 claims
- 3140US4985770AField discriminating circuitry useful in LCD displaysSHARP KK·Filed 1990·Granted Jan 15, 1991·7 cites·2 claims
- 3238US2003063048A1Active matrix display device and data line switching circuit, switching section drive circuit, and scanning line drive circuit thereofSHARP KK·Filed 2002·Application pending·0 cites
- 3334US5253093ARow electrode driving circuit for a display apparatusSHARP KK·Filed 1991·Granted Oct 12, 1993·4 cites·5 claims
- 3434US2001050678A1Line electrode driving apparatus and image display apparatus having sameFiled 2001·Application pending·0 cites
- 3530US5089792APhase locked loop with phase difference signal adjustment circuitSHARP KK·Filed 1990·Granted Feb 18, 1992·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Takafumi Kawaguchi 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 →