Inventor · disambiguated record
Hirokazu Yamagata
Also filed as: YAMAGATA HIROKAZU
50 granted patents·1 pending application·1,200 citations·filing 2000–2020
99Inventor score
Top patents by PatentIndex Score
51 records- 0199US7825419B2Light emitting device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2009·Granted Nov 2, 2010·71 cites·24 claims
- 0299US7485478B2Light emitting device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Feb 3, 2009·68 cites·30 claims
- 0398US8497525B2Light emitting device and method of manufacturing the sameYAMAGATA HIROKAZU·Filed 2010·Granted Jul 30, 2013·53 cites·31 claims
- 0498US7264979B2Method of manufacturing light emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted Sep 4, 2007·116 cites·36 claims
- 0598US6515336B1Thin film transistors having tapered gate electrode and taped insulating filmSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Feb 4, 2003·159 cites·58 claims
- 0697US6528824B2Light emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2001·Granted Mar 4, 2003·171 cites·63 claims
- 0796US8679875B2Light emitting device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Mar 25, 2014·10 cites·26 claims
- 0895US8866184B2Light emitting device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Oct 21, 2014·8 cites·20 claims
- 0995US6909111B2Method of manufacturing a light emitting device and thin film forming apparatusSEMICONDUCTOR ENERGY LAB·Filed 2001·Granted Jun 21, 2005·55 cites·35 claims
- 1094US6720198B2Light emitting device and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted Apr 13, 2004·89 cites·61 claims
- 1194US6563482B1Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted May 13, 2003·53 cites·40 claims
- 1293US6583471B1Semiconductor device having first and second insulating filmsSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Jun 24, 2003·60 cites·34 claims
- 1392US10763323B2Power and data routing structures for organic light-emitting diode displaysAPPLE INC·Filed 2019·Granted Sep 1, 2020·7 cites·21 claims
- 1492US7190114B2Light emitting display device with thin film transistor having organic and inorganic insulating filmsSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Mar 13, 2007·16 cites·27 claims
- 1591US8314426B2Semiconductor device and method of fabricating the sameKOKUBO CHIHO·Filed 2011·Granted Nov 20, 2012·10 cites·25 claims
- 1689US7871930B2Method of manufacturing a light emitting device and thin film forming apparatusSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Jan 18, 2011·14 cites·33 claims
- 1787US6680487B1Semiconductor comprising a TFT provided on a substrate having an insulating surface and method of fabricating the sameSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Jan 20, 2004·27 cites·35 claims
- 1886US7423293B2Light emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2004·Granted Sep 9, 2008·37 cites·40 claims
- 1985US8273583B2Method of manufacturing a light emitting device and thin film forming apparatusYAMAGATA HIROKAZU·Filed 2010·Granted Sep 25, 2012·6 cites·20 claims
- 2085US7601572B2Semiconductor device and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Oct 13, 2009·9 cites·43 claims
- 2185US6909115B2Semiconductor device applying to the crystalline semiconductor filmSEMICONDUCTOR ENERGY LAB·Filed 2003·Granted Jun 21, 2005·21 cites·26 claims
- 2281US8367439B2Method of manufacturing a light emitting device and thin film forming apparatusSEMICONDUCTOR ENERGY LAB·Filed 2011·Granted Feb 5, 2013·4 cites·46 claims
- 2380US7294517B2Light emitting device and method of fabricating the sameSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted Nov 13, 2007·31 cites·26 claims
- 2480US6893887B2Process for producing a light emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted May 17, 2005·24 cites·77 claims
- 2579US8980660B2Method of manufacturing a light emitting device and thin film forming apparatusSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Mar 17, 2015·3 cites·16 claims
- 2679US7696514B2Active matrix display device having a column-like spacerSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Apr 13, 2010·4 cites·18 claims
- 2777US9612492B2Border masking structures for liquid crystal displayAPPLE INC·Filed 2014·Granted Apr 4, 2017·2 cites·18 claims
- 2877US7001801B2Method of manufacturing semiconductor device having first and second insulating filmsSEMICONDUCTOR ENERGY LAB·Filed 2003·Granted Feb 21, 2006·17 cites·51 claims
- 2976US8026518B2Semiconductor device and method of fabricating the sameSEMICONDUCTOR ENERGY LAB·Filed 2010·Granted Sep 27, 2011·2 cites·18 claims
- 3075US10101853B2Display with shallow contact holes and reduced metal residue at planarization layer stepsAPPLE INC·Filed 2016·Granted Oct 16, 2018·2 cites·13 claims
- 3174US7176865B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2003·Granted Feb 13, 2007·11 cites·41 claims
- 3270US9412948B2Method of manufacturing a light emitting device and thin film forming apparatusSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Aug 9, 2016·1 cites·23 claims
- 3370US7026194B2Method of forming thin film transistors having tapered gate electrode and curved insulating filmSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted Apr 11, 2006·11 cites·35 claims
- 3470US6965124B2Light-emitting device and method of fabricating the sameSEMICONDUCTOR ENERGY LAB·Filed 2001·Granted Nov 15, 2005·13 cites·20 claims
- 3569US7393792B2Light-emitting device and method of fabricating the sameSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Jul 1, 2008·3 cites·9 claims
- 3667US9530801B2Display circuitry with improved transmittance and reduced coupling capacitanceAPPLE INC·Filed 2014·Granted Dec 27, 2016·2 cites·18 claims
- 3766US9502679B2Light emitting device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Nov 22, 2016·0 cites·22 claims
- 3865US11251259B2Power and data routing structures for organic light-emitting diode displaysAPPLE INC·Filed 2020·Granted Feb 15, 2022·0 cites·11 claims
- 3965US9954196B2Light emitting device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Apr 24, 2018·0 cites·8 claims
- 4063US8018412B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Sep 13, 2011·1 cites·21 claims
- 4159US9768405B2Light emitting device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Sep 19, 2017·0 cites·8 claims
- 4257US8669928B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Mar 11, 2014·0 cites·12 claims
- 4355US6686605B2Semiconductor device, display device, and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted Feb 3, 2004·5 cites·28 claims
- 4453US8362994B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2011·Granted Jan 29, 2013·0 cites·10 claims
- 4553US8004483B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Aug 23, 2011·0 cites·17 claims
- 4653US7615825B2Semiconductor device having tapered gate insulating filmSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Nov 10, 2009·0 cites·36 claims
- 4753US6929986B2Semiconductor device, display device, and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2003·Granted Aug 16, 2005·4 cites·24 claims
- 4852US7995015B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Aug 9, 2011·0 cites·24 claims
- 4950US7294887B2Semiconductor device comprising thin film transistorSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Nov 13, 2007·0 cites·33 claims
- 5043US11121263B2Hydrogen trap layer for display device and the sameAPPLE INC·Filed 2020·Granted Sep 14, 2021·0 cites·21 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →