Inventor · disambiguated record
Takafumi Sugiyama
Also filed as: SUGIYAMA TAKAFUMI
22 granted patents·4 pending applications·161 citations·filing 1999–2025
94Inventor score
Files withNICHIA CORP20NAGAHAMA SHINICHI2SUGIYAMA TAKAFUMI2NIPPON ELECTRIC GLASS CO1SUZUKI MOTOR CO1
Top patents by PatentIndex Score
26 records- 0195US7356054B2Light emitting deviceNICHIA CORP·Filed 2005·Granted Apr 8, 2008·36 cites·19 claims
- 0292US8994259B2Wave-length conversion inorganic member, and method for manufacturing the sameNICHIA CORP·Filed 2013·Granted Mar 31, 2015·15 cites·10 claims
- 0388US7591575B2Light emitting deviceNICHIA CORP·Filed 2008·Granted Sep 22, 2009·10 cites·4 claims
- 0486US9835310B2Wave-length conversion inorganic member, and method for manufacturing the sameNICHIA CORP·Filed 2015·Granted Dec 5, 2017·6 cites·13 claims
- 0586US2025379415A1Light emission moduleNICHIA CORP·Filed 2025·Application pending·0 cites
- 0685US8872203B2Light-emitting deviceNAGAHAMA SHINICHI·Filed 2008·Granted Oct 28, 2014·10 cites·14 claims
- 0785US7751661B2Optical component and light emitting device using the sameNIPPON ELECTRIC GLASS CO·Filed 2007·Granted Jul 6, 2010·16 cites·23 claims
- 0884USD591438SLight emitting portion of an optical fiber lighting apparatusNICHIA CORP·Filed 2007·Granted Apr 28, 2009·32 cites·1 claims
- 0977US10442987B2Fluorescent member, optical component, and light emitting deviceNICHIA CORP·Filed 2018·Granted Oct 15, 2019·2 cites·20 claims
- 1077US9519207B2Wavelength converting device and light emitting device using the sameNICHIA CORP·Filed 2012·Granted Dec 13, 2016·6 cites·18 claims
- 1177US8106414B2Semiconductor light emitting deviceSUGIYAMA TAKAFUMI·Filed 2007·Granted Jan 31, 2012·9 cites·25 claims
- 1275US10218148B2Light emitting deviceNICHIA CORP·Filed 2015·Granted Feb 26, 2019·2 cites·21 claims
- 1375US7878696B2Optical component, light converting member, and light emitting deviceNICHIA CORP·Filed 2006·Granted Feb 1, 2011·7 cites·26 claims
- 1472US8080436B2Light emitting device and method of manufacturing the light emitting deviceSUGIYAMA TAKAFUMI·Filed 2010·Granted Dec 20, 2011·4 cites·9 claims
- 1569US11585494B2Fluorescent module and illumination deviceNICHIA CORP·Filed 2021·Granted Feb 21, 2023·0 cites·17 claims
- 1668US12424818B2Light emission moduleNICHIA CORP·Filed 2021·Granted Sep 23, 2025·0 cites·13 claims
- 1765US2024039249A1Light-emitting moduleNICHIA CORP·Filed 2023·Application pending·0 cites
- 1864US8908740B2Light emitting deviceNAGAHAMA SHINICHI·Filed 2007·Granted Dec 9, 2014·2 cites·17 claims
- 1959US11131433B2Fluorescent module and illumination deviceNICHIA CORP·Filed 2019·Granted Sep 28, 2021·0 cites·21 claims
- 2051US9720310B2Light source deviceNICHIA CORP·Filed 2015·Granted Aug 1, 2017·0 cites·19 claims
- 2150US7440482B2Nitride semiconductor laser element and method for manufacturing the sameNICHIA CORP·Filed 2006·Granted Oct 21, 2008·0 cites·19 claims
- 2247US2015077972A1Light emitting deviceNICHIA CORP·Filed 2014·Application pending·0 cites
- 2346US2013322055A1Light source device and projectorNICHIA CORP·Filed 2013·Application pending·0 cites
- 2437US10139715B2Light source device and projectorNICHIA CORP·Filed 2015·Granted Nov 27, 2018·0 cites·21 claims
- 2533USD595881SLight emitting portion of an optical fiber lighting apparatusNICHIA CORP·Filed 2007·Granted Jul 7, 2009·2 cites·1 claims
- 2631US6312160B1Bearing construction for drive shaftSUZUKI MOTOR CO·Filed 1999·Granted Nov 6, 2001·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →