Inventor · disambiguated record
Masaaki Okunaka
Also filed as: OKUNAKA MASAAKI
25 granted patents·5 pending applications·804 citations·filing 1980–2009
97Inventor score
Top patents by PatentIndex Score
30 records- 0195US8129902B2Organic EL display device comprising moisture diffusion reduction banks structureKAI KAZUHIKO·Filed 2009·Granted Mar 6, 2012·27 cites·11 claims
- 0295US7642701B2Organic EL display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Jan 5, 2010·23 cites·2 claims
- 0395US7332854B2Organic EL display deviceHITACHI DISPLAYS LTD·Filed 2006·Granted Feb 19, 2008·23 cites·6 claims
- 0495US4495218AProcess for forming thin filmHITACHI LTD·Filed 1983·Granted Jan 22, 1985·121 cites·8 claims
- 0592US5883437AMethod and apparatus for inspection and correction of wiring of electronic circuit and for manufacture thereofHITACHI LTD·Filed 1995·Granted Mar 16, 1999·175 cites·13 claims
- 0689US7034453B2Organic EL display device with arrangement to suppress degradation of the light emitting regionHITACHI DISPLAYS LTD·Filed 2003·Granted Apr 25, 2006·47 cites·12 claims
- 0789US4444801AMethod and apparatus for correcting transparent defects on a photomaskHITACHI LTD·Filed 1982·Granted Apr 24, 1984·51 cites·40 claims
- 0886US4510222APhotomask with corrected white defectsHITACHI LTD·Filed 1983·Granted Apr 9, 1985·42 cites·9 claims
- 0984US4486232AElectrode material for semi-conductor devicesHITACHI LTD·Filed 1983·Granted Dec 4, 1984·47 cites·3 claims
- 1083US4463073AMethod and apparatus for redressing defective photomaskHITACHI LTD·Filed 1982·Granted Jul 31, 1984·59 cites·16 claims
- 1182US4643913AProcess for producing solar cellsHITACHI LTD·Filed 1984·Granted Feb 17, 1987·48 cites·26 claims
- 1281US7479953B2Display deviceHITACHI DISPLAYS LTD·Filed 2005·Granted Jan 20, 2009·5 cites·19 claims
- 1376US4420500AComposition and process for preparing transparent conducting filmHITACHI LTD·Filed 1982·Granted Dec 13, 1983·33 cites·27 claims
- 1474US4303554AComposition and process for producing transparent conductive filmHITACHI LTD·Filed 1980·Granted Dec 1, 1981·28 cites·27 claims
- 1572US7258586B2Method for manufacturing an organic electroluminescence displayHITACHI DISPLAYS LTD·Filed 2004·Granted Aug 21, 2007·17 cites·10 claims
- 1672US6814887B2Organic-electroluminescence device, process for its production and organic-electroluminescence display systemHITACHI LTD·Filed 2002·Granted Nov 9, 2004·12 cites·14 claims
- 1770US4369208AProcess for producing transparent electroconductive filmHITACHI LTD·Filed 1980·Granted Jan 18, 1983·25 cites·5 claims
- 1867US7671825B2Method of driving organic EL device and display deviceHITACHI DISPLAYS LTD·Filed 2006·Granted Mar 2, 2010·1 cites·18 claims
- 1967US7474046B2Display panelHITACHI DISPLAYS LTD·Filed 2005·Granted Jan 6, 2009·1 cites·15 claims
- 2065US6696181B2Organic-electroluminescence device, process for its production and organic-electroluminescence display systemHITACHI LTD·Filed 2001·Granted Feb 24, 2004·8 cites·13 claims
- 2161US8237353B2Organic EL display deviceTOYODA HIRONORI·Filed 2009·Granted Aug 7, 2012·2 cites·9 claims
- 2259US6937296B2Flat panel display unit and method of repairing defects in its line patternHITACHI LTD·Filed 2001·Granted Aug 30, 2005·6 cites·6 claims
- 2352US7705531B2Organic electroluminescent display device with a light shielding member arranged on an end wall face of a periphery of the substrateHITACHI DISPLAYS LTD·Filed 2004·Granted Apr 27, 2010·2 cites·7 claims
- 2451US2007216290A1Organic EL light emitting display deviceKAWACHI GENSHIRO·Filed 2007·Application pending·0 cites
- 2550US6936409B2Organic-electroluminescence device, process for its production and organic-electroluminescence display systemHITACHI LTD·Filed 2002·Granted Aug 30, 2005·1 cites·14 claims
- 2649US7786666B2Organic electroluminescent display deviceHITACHI DISPLAYS LTD·Filed 2006·Granted Aug 31, 2010·0 cites·13 claims
- 2749US2009051285A1Organic electroluminescence display deviceHITACHI DISPLAYS LTD·Filed 2008·Application pending·0 cites
- 2845US2004252088A1Organic EL light emitting display deviceFiled 2004·Application pending·0 cites
- 2943US2005168138A1Organic light emitting display deviceFiled 2004·Application pending·0 cites
- 3041US2007236425A1Organic light emitting display deviceFURUIE MASAMITUS·Filed 2004·Application pending·0 cites
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