Inventor · disambiguated record
Kohsei Takahashi
Also filed as: TAKAHASHI KOHSEI
26 granted patents·7 pending applications·225 citations·filing 1985–2019
96Inventor score
Top patents by PatentIndex Score
33 records- 0192US9711686B2Lighting device with plural fluorescent materialsSHARP KK·Filed 2016·Granted Jul 18, 2017·8 cites·8 claims
- 0288US7611642B2Oxynitride phosphor and light emitting deviceSHARP KK·Filed 2007·Granted Nov 3, 2009·15 cites·30 claims
- 0388US4750183ASemiconductor laser deviceSHARP KK·Filed 1987·Granted Jun 7, 1988·41 cites·3 claims
- 0488US4745612ASeparate confinement heterostructure semiconductor laser deviceSHARP KK·Filed 1986·Granted May 17, 1988·41 cites·7 claims
- 0587US9570655B2Semiconductor light-emitting deviceYOSHIMURA KENICHI·Filed 2012·Granted Feb 14, 2017·8 cites·9 claims
- 0682US7494606B2Oxynitride phosphor and semiconductor light-emitting deviceSHARP KK·Filed 2006·Granted Feb 24, 2009·11 cites·19 claims
- 0769US4835783ASemiconductor laserSHARP KK·Filed 1987·Granted May 30, 1989·16 cites·15 claims
- 0863US9631140B2Light-emitting deviceSHARP KK·Filed 2013·Granted Apr 25, 2017·1 cites·7 claims
- 0963US9322529B2Light emitting deviceYOSHIMURA KENICHI·Filed 2012·Granted Apr 26, 2016·1 cites·14 claims
- 1063US4787089AQuantum well semiconductor laser deviceSHARP KK·Filed 1987·Granted Nov 22, 1988·13 cites·2 claims
- 1162US8901591B2Light-emitting deviceYOSHIMURA KENICHI·Filed 2011·Granted Dec 2, 2014·1 cites·9 claims
- 1260US8674392B2Light-emitting deviceYOSHIMURA KENICHI·Filed 2011·Granted Mar 18, 2014·1 cites·10 claims
- 1357US9279079B2Method of manufacturing phosphor, light-emitting device, and image display apparatusTAKAHASHI KOHSEI·Filed 2008·Granted Mar 8, 2016·2 cites·4 claims
- 1454US11641009B2Light-emitting deviceAIST·Filed 2019·Granted May 2, 2023·0 cites·12 claims
- 1554US4860297AQuantum well semiconductor laser deviceSHARP KK·Filed 1987·Granted Aug 22, 1989·13 cites·5 claims
- 1653US4841533ASemiconductor laser device having a graded index waveguideSHARP KK·Filed 1986·Granted Jun 20, 1989·9 cites·3 claims
- 1751US2016223147A1Light emitting deviceSHARP KK·Filed 2016·Application pending·0 cites
- 1845US4807235ASemiconductor laser deviceSHARP KK·Filed 1986·Granted Feb 21, 1989·6 cites·4 claims
- 1945US4693207AApparatus for the growth of semiconductor crystalsSHARP KK·Filed 1985·Granted Sep 15, 1987·7 cites·1 claims
- 2044US2012106184A1Illumination apparatus and vehicular headlampKISHIMOTO KATSUHIKO·Filed 2011·Application pending·0 cites
- 2143US2012139409A1Lighting device and vehicle headlampKISHIMOTO KATSUHIKO·Filed 2011·Application pending·0 cites
- 2243US2012106186A1Illumination apparatus and vehicular headlampKISHIMOTO KATSUHIKO·Filed 2011·Application pending·0 cites
- 2343US2010283381A1Phosphor and light emitting deviceSHARP KK·Filed 2006·Application pending·0 cites
- 2442US4899349ASemiconductor laser deviceSHARP KK·Filed 1988·Granted Feb 6, 1990·5 cites·5 claims
- 2539US2013207146A1Light-emitting deviceYOSHIMURA KENICHI·Filed 2011·Application pending·0 cites
- 2638US8928005B2Light-emitting deviceYOSHIMURA KENICHI·Filed 2010·Granted Jan 6, 2015·0 cites·10 claims
- 2738US4824518AMethod for the production of semiconductor devicesSHARP KK·Filed 1986·Granted Apr 25, 1989·8 cites·3 claims
- 2838US4761790AOptical semiconductor deviceSHARP KK·Filed 1985·Granted Aug 2, 1988·6 cites·1 claims
- 2936US4769822ASemiconductor laser deviceSHARP KK·Filed 1986·Granted Sep 6, 1988·3 cites·4 claims
- 3036US4720833ASemiconductor laser apparatusSHARP KK·Filed 1985·Granted Jan 19, 1988·3 cites·10 claims
- 3135US4737959ASemiconductor laser array deviceSHARP KK·Filed 1985·Granted Apr 12, 1988·3 cites·5 claims
- 3233US4806994ASemiconductor deviceSHARP KK·Filed 1987·Granted Feb 21, 1989·3 cites·14 claims
- 3332US2012162573A1Liquid crystal displayTAKAHASHI KOHSEI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →