Inventor · disambiguated record
Takahiko Sakamoto
Also filed as: SAKAMOTO TAKAHIKO
19 granted patents·315 citations·filing 2003–2022
95Inventor score
Top patents by PatentIndex Score
19 records- 0197US7511311B2Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the sameNICHIA CORP·Filed 2003·Granted Mar 31, 2009·113 cites·22 claims
- 0294US7982236B2Semiconductor light emitting elementNICHIA CORP·Filed 2008·Granted Jul 19, 2011·25 cites·20 claims
- 0394US7615798B2Semiconductor light emitting device having an electrode made of a conductive oxideNICHIA CORP·Filed 2005·Granted Nov 10, 2009·35 cites·20 claims
- 0493US7947996B2Semiconductor light emitting elementNICHIA CORP·Filed 2007·Granted May 24, 2011·32 cites·13 claims
- 0592US8120057B2Semiconductor light emitting elementSANO MASAHIKO·Filed 2011·Granted Feb 21, 2012·17 cites·16 claims
- 0690US8742438B2Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the sameNICHIA CORP·Filed 2012·Granted Jun 3, 2014·8 cites·23 claims
- 0790US7358544B2Nitride semiconductor light emitting deviceNICHIA CORP·Filed 2005·Granted Apr 15, 2008·23 cites·25 claims
- 0882US8330179B2Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the sameKUSUSE TAKESHI·Filed 2011·Granted Dec 11, 2012·5 cites·23 claims
- 0982US8035118B2Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the sameNICHIA CORP·Filed 2008·Granted Oct 11, 2011·7 cites·17 claims
- 1082US7791098B2Nitride semiconductor light emitting deviceNICHIA CORP·Filed 2008·Granted Sep 7, 2010·9 cites·17 claims
- 1180USRE50614ESemiconductor light emitting elementNICHIA CORP·Filed 2022·Granted Sep 30, 2025·0 cites·39 claims
- 1280US7495259B2Light-emitting diodeNICHIA CORP·Filed 2005·Granted Feb 24, 2009·7 cites·17 claims
- 1378US7075115B2Light-emitting diodeNICHIA CORP·Filed 2003·Granted Jul 11, 2006·26 cites·6 claims
- 1476US7884379B2Nitride semiconductor light emitting deviceNICHIA CORP·Filed 2007·Granted Feb 8, 2011·6 cites·18 claims
- 1568US8674381B2Nitride semiconductor light emitting deviceSAKAMOTO TAKAHIKO·Filed 2011·Granted Mar 18, 2014·2 cites·25 claims
- 1665USRE49406ESemiconductor light emitting elementNICHIA CORP·Filed 2019·Granted Jan 31, 2023·0 cites·36 claims
- 1762USRE49298ESemiconductor light emitting elementNICHIA CORP·Filed 2019·Granted Nov 15, 2022·0 cites·25 claims
- 1848US7560475B2Phenylacetic acid derivative, process for producing the same, and useONO PHARMACEUTICAL CO·Filed 2004·Granted Jul 14, 2009·0 cites·8 claims
- 1938US8698188B2Semiconductor light emitting device and method for producing the sameHAMAGUCHI YASUTAKA·Filed 2011·Granted Apr 15, 2014·0 cites·15 claims
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