Inventor · disambiguated record
Seiichi Nishiyama
Also filed as: NISHIYAMA SEIICHI
25 granted patents·4 pending applications·259 citations·filing 1981–2009
96Inventor score
Files withSONY CORP11HITACHI LTD5HITACHI DISPLAYS LTD4HITACHI ELECTRONIC DEVICES CO3NISHIYAMA SEIICHI2
Top patents by PatentIndex Score
29 records- 0191US6331064B1Liquid crystal displayHITACHI LTD·Filed 1999·Granted Dec 18, 2001·89 cites·19 claims
- 0288US7837375B2Planar illumination device and liquid crystal display device using the planar illumination device as a backlightHITACHI DISPLAYS LTD·Filed 2006·Granted Nov 23, 2010·11 cites·6 claims
- 0384US6956556B2Liquid crystal display device having an improved backlightHITACHI ELECTRONIC DEVICES CO·Filed 2001·Granted Oct 18, 2005·17 cites·20 claims
- 0482US7218308B2Liquid crystal display device having an improved backlightHITACHI ELECTRONIC DEVICES LTD·Filed 2005·Granted May 15, 2007·5 cites·5 claims
- 0573US7518594B2Liquid crystal display device having an improved backlightHITACHI LTD·Filed 2007·Granted Apr 14, 2009·2 cites·21 claims
- 0671US7473021B2Liquid crystal displayHITACHI LTD·Filed 2006·Granted Jan 6, 2009·2 cites·4 claims
- 0770US7077543B2Liquid crystal displayHITACHI ELECTRONIC DEVICES CO·Filed 2001·Granted Jul 18, 2006·8 cites·23 claims
- 0868US6163181AFrequency divider circuit and digital PLL circuitSONY CORP·Filed 1998·Granted Dec 19, 2000·30 cites·16 claims
- 0964US5432477AWide frequency range amplifier apparatusSONY CORP·Filed 1993·Granted Jul 11, 1995·20 cites·19 claims
- 1062US7990361B2Liquid crystal display device having an improved backlightHITACHI LTD·Filed 2009·Granted Aug 2, 2011·0 cites·7 claims
- 1160US7061465B2Liquid crystal displayHITACHI ELECTRONICS DEVICES CO·Filed 2001·Granted Jun 13, 2006·8 cites·4 claims
- 1258US5337010AWide-band amplifier apparatusSONY CORP·Filed 1993·Granted Aug 9, 1994·14 cites·8 claims
- 1356US7753578B2Liquid crystal displayHITACHI LTD·Filed 2009·Granted Jul 13, 2010·0 cites·4 claims
- 1453US7817223B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Oct 19, 2010·0 cites·3 claims
- 1550US7283194B2Liquid crystal displayHITACHI ELECTRONIC DEVICES CO·Filed 2005·Granted Oct 16, 2007·0 cites·6 claims
- 1646US5317200APhase shift circuit apparatusSONY CORP·Filed 1992·Granted May 31, 1994·8 cites·5 claims
- 1743US2008007673A1Liquid crystal display deviceSHIRAISHI YASUHISA·Filed 2007·Application pending·0 cites
- 1842US5539425ADisplay unitSONY CORP·Filed 1994·Granted Jul 23, 1996·9 cites·8 claims
- 1942US4354996AMethod for making a plastic containerTOYO SEIKAN KAISHA LTD·Filed 1981·Granted Oct 19, 1982·9 cites·11 claims
- 2042US2007229729A1Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2006·Application pending·0 cites
- 2140US5180989AWideband amplifierSONY CORP·Filed 1991·Granted Jan 19, 1993·6 cites·14 claims
- 2240US2005162582A1Liquid crystal displayHITACHI DISPLAYS LTD·Filed 2005·Application pending·0 cites
- 2339US8334945B2Liquid crystal display deviceNISHIYAMA SEIICHI·Filed 2008·Granted Dec 18, 2012·0 cites·12 claims
- 2438US5875002AClamp pulse circuitSONY CORP·Filed 1995·Granted Feb 23, 1999·5 cites·3 claims
- 2537US5252931AWide band frequency amplifiersSONY CORP·Filed 1992·Granted Oct 12, 1993·5 cites·4 claims
- 2636US5905396AClamp pulse circuitSONY CORP·Filed 1997·Granted May 18, 1999·4 cites·7 claims
- 2736US2007195223A1Liquid crystal display deviceNISHIYAMA SEIICHI·Filed 2007·Application pending·0 cites
- 2834US5256983AWide band amplifierSONY CORP·Filed 1991·Granted Oct 26, 1993·4 cites·5 claims
- 2931US5294929AControl system for peripheral devicesSONY CORP·Filed 1992·Granted Mar 15, 1994·3 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →