Inventor · disambiguated record
Hiroaki Matsumura
Also filed as: MATSUMURA HIROAKI
32 granted patents·1 pending application·453 citations·filing 1995–2019
97Inventor score
Top patents by PatentIndex Score
33 records- 0199US7470555B2Semiconductor laser device, and method of manufacturing the sameNICHIA CORP·Filed 2005·Granted Dec 30, 2008·239 cites·15 claims
- 0294US9122088B2Capacitance type touch screenOMOTE RYOMEI·Filed 2012·Granted Sep 1, 2015·22 cites·18 claims
- 0392US9159879B2Semiconductor light emitting elementNICHIA CORP·Filed 2014·Granted Oct 13, 2015·7 cites·8 claims
- 0490US8883529B2Method for manufacturing semiconductor light emitting deviceNICHIA CORP·Filed 2013·Granted Nov 11, 2014·5 cites·16 claims
- 0590US7072374B2Ridge waveguide semiconductor laser diodeNICHIA CORP·Filed 2003·Granted Jul 4, 2006·31 cites·20 claims
- 0689US6925101B2Semiconductor laser device, and method of manufacturing the sameNICHIA CORP·Filed 2001·Granted Aug 2, 2005·24 cites·25 claims
- 0786US9787891B2Focus control apparatus and focus control methodSONY CORP·Filed 2014·Granted Oct 10, 2017·6 cites·10 claims
- 0886US8552445B2Semiconductor light emitting device and method for manufacturing the sameWAKAI YOHEI·Filed 2008·Granted Oct 8, 2013·11 cites·26 claims
- 0984US7397834B2Nitride semiconductor laser device and method of manufacturing the nitride semiconductor laser deviceNICHIA CORP·Filed 2004·Granted Jul 8, 2008·20 cites·13 claims
- 1083US9196807B2Light emitting elementNICHIA CORP·Filed 2013·Granted Nov 24, 2015·3 cites·10 claims
- 1182US7485900B2Nitride semiconductor device and a manufacturing method thereforNICHIA CORP·Filed 2005·Granted Feb 3, 2009·7 cites·21 claims
- 1280US8975098B2Semiconductor light emitting element and method for manufacturing the sameNICHIA CORP·Filed 2013·Granted Mar 10, 2015·4 cites·5 claims
- 1380US7609737B2Nitride semiconductor laser elementNICHIA CORP·Filed 2004·Granted Oct 27, 2009·17 cites·17 claims
- 1477US9570658B2Light emitting elementNICHIA CORP·Filed 2015·Granted Feb 14, 2017·2 cites·27 claims
- 1577US9106475B2Protocol conversion device and protocol conversion methodSONY CORP·Filed 2013·Granted Aug 11, 2015·4 cites·5 claims
- 1677US7995634B2Nitride semiconductor laser elementNICHIA CORP·Filed 2005·Granted Aug 9, 2011·7 cites·20 claims
- 1773US9293655B2Semiconductor light emitting elementNICHIA CORP·Filed 2015·Granted Mar 22, 2016·1 cites·18 claims
- 1873US8089093B2Nitride semiconductor device including different concentrations of impuritiesMATSUMURA HIROAKI·Filed 2005·Granted Jan 3, 2012·6 cites·22 claims
- 1971US8217568B2Light emitting element and light emitting device using the light emitting elementMATSUMURA HIROAKI·Filed 2008·Granted Jul 10, 2012·5 cites·12 claims
- 2071US7817692B2Nitride semiconductor laser device having current blocking layer and method of manufacturing the sameNICHIA CORP·Filed 2007·Granted Oct 19, 2010·4 cites·16 claims
- 2171US7709281B2Semiconductor laser device and method of manufacturing the sameNICHIA CORP·Filed 2008·Granted May 4, 2010·2 cites·9 claims
- 2271US6876685B2Semiconductor laser deviceNICHIA CORP·Filed 2003·Granted Apr 5, 2005·14 cites·13 claims
- 2366US9159868B2Method for manufacturing semiconductor light emitting deviceNICHIA CORP·Filed 2014·Granted Oct 13, 2015·0 cites·12 claims
- 2465US8410510B2Semiconductor light emitting device and method for fabricating the sameMATSUMURA HIROAKI·Filed 2008·Granted Apr 2, 2013·2 cites·17 claims
- 2565US7583716B2Semiconductor laser deviceNICHIA CORP·Filed 2005·Granted Sep 1, 2009·5 cites·27 claims
- 2658US8916401B2Method for fabricating semiconductor light emitting deviceNICHIA CORP·Filed 2013·Granted Dec 23, 2014·0 cites·31 claims
- 2747US7227879B2Nitride semiconductor laser device having current blocking layer and method of manufacturing the sameNICHIA CORP·Filed 2004·Granted Jun 5, 2007·2 cites·29 claims
- 2844US11956386B2Communication control device, emergency call originating method, and emergency call originating programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 9, 2024·0 cites·9 claims
- 2944US2018037362A9Inner member for containing wound wrapping film and wrapping film product provided with sameMATSUMURA HIROAKI·Filed 2016·Application pending·0 cites
- 3043US8197949B2Blank for a ring member of a bearing, manufacturing method for the same, manufacturing method for a ring member of a bearing, and bearingITOH HIRONOBU·Filed 2007·Granted Jun 12, 2012·0 cites·21 claims
- 3137US10381524B2Semiconductor light emitting element including protective film and light shielding memberNICHIA CORP·Filed 2013·Granted Aug 13, 2019·0 cites·26 claims
- 3236US5993847AMethod for improving reproduction activity of boars by using feedMEIJI SEIKA KAISHA·Filed 1995·Granted Nov 30, 1999·3 cites·6 claims
- 3332US10615314B2Light-emitting deviceNICHIA CORP·Filed 2017·Granted Apr 7, 2020·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →