Inventor · disambiguated record
Hiroaki Asuma
Also filed as: ASUMA HIROAKI
21 granted patents·5 pending applications·846 citations·filing 1994–2016
96Inventor score
Top patents by PatentIndex Score
26 records- 0196US6411360B1Inplane switching type liquid crystal display with alignment layer formed on columnar spacer directlyHITACHI LTD·Filed 2000·Granted Jun 25, 2002·89 cites·8 claims
- 0296US5633739AColor liquid crystal display device composed of color filter with a layer of three primary color array patterns fabricated by thermal dye transfer technologyHITACHI LTD·Filed 1995·Granted May 27, 1997·87 cites·26 claims
- 0395US6433852B1Liquid crystal display device having a spacerHITACHI LTD·Filed 1999·Granted Aug 13, 2002·182 cites·7 claims
- 0494US5541748ALiquid crystal display having patterned insulating and semiconductor layers and a method of fabricating the sameHITACHI LTD·Filed 1994·Granted Jul 30, 1996·115 cites·21 claims
- 0593US5831701ALiquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrixHITACHI LTD·Filed 1996·Granted Nov 3, 1998·127 cites·12 claims
- 0688US8081148B2Display deviceABE HIROYUKI·Filed 2007·Granted Dec 20, 2011·8 cites·21 claims
- 0788US6040887ALiquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrixHITACHI LTD·Filed 1998·Granted Mar 21, 2000·88 cites·22 claims
- 0887US5805247ALiquid crystal display apparatus in which plural common electrodes are parallel to the pixel electrodes on the same substrate and a black matrix on the opposing substrateHITACHI LTD·Filed 1996·Granted Sep 8, 1998·72 cites·15 claims
- 0984US6642988B2Liquid crystal display device with columnar spacerHITACHI LTD·Filed 2002·Granted Nov 4, 2003·22 cites·17 claims
- 1083US7746313B2Display device employing a time-division-multiplexed driverHITACHI DISPLAYS LTD·Filed 2005·Granted Jun 29, 2010·8 cites·3 claims
- 1174US7787089B2Transparent type liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2009·Granted Aug 31, 2010·4 cites·6 claims
- 1273US7701431B2Display device with divided display regionsHITACHI LTD·Filed 2006·Granted Apr 20, 2010·2 cites·4 claims
- 1360US6392732B1Active matrix type liquid crystal display apparatusHITACHI LTD·Filed 2000·Granted May 21, 2002·5 cites·1 claims
- 1458US7110068B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2003·Granted Sep 19, 2006·6 cites·15 claims
- 1550US8947610B2Display device comprising a TFT with a barrier metal formed of a first layer and a second layer wherein an amount of oxygen in the first layer is larger than in the second layerJAPAN DISPLAY INC·Filed 2014·Granted Feb 3, 2015·0 cites·10 claims
- 1650US2009103037A1Display DeviceABE HIROYUKI·Filed 2008·Application pending·0 cites
- 1749US6275279B1Liquid crystal display panel wherein end-sealing material contains particulates larger than gap formed by liquid crystal filling portHITACHI LTD·Filed 1999·Granted Aug 14, 2001·16 cites·10 claims
- 1846US2009033857A1Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Application pending·0 cites
- 1946US2007132703A1Display deviceSEHATA HIROKO·Filed 2006·Application pending·0 cites
- 2045US6100956AActive matrix type liquid crystal display apparatus with a shielding layer having a specific resistance of a part thereof being less than 108 Ω·CMHITACHI LTD·Filed 1998·Granted Aug 8, 2000·10 cites·9 claims
- 2142US8059248B2Liquid crystal display deviceKAMADA TAKAMITSU·Filed 2009·Granted Nov 15, 2011·0 cites·7 claims
- 2241US2002070912A1Display deviceFiled 2001·Application pending·0 cites
- 2341US2016349564A1Display deviceJAPAN DISPLAY INC·Filed 2016·Application pending·0 cites
- 2440US8284364B2Active matrix display deviceYAMAKAWA ICHIRO·Filed 2010·Granted Oct 9, 2012·0 cites·12 claims
- 2536US8817200B2Liquid crystal display device comprising a TFT with a barrier metal formed of a first layer and a second layer wherein the first layer is denser than the second layerASAI TARO·Filed 2011·Granted Aug 26, 2014·0 cites·4 claims
- 2633US6337728B1Liquid crystal display device with spacer material covered by an orientation filmHITACHI LTD·Filed 1998·Granted Jan 8, 2002·5 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Hiroaki Asuma 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 →