Inventor · disambiguated record
Yuji Furushima
Also filed as: FURUSHIMA YUJI
13 granted patents·1 pending application·277 citations·filing 1996–2018
91Inventor score
Files withNEC CORP7FURUSHIMA YUJI3SONY SEMICONDUCTOR SOLUTIONS CORP2SONY CORP1SUMITOMO ELECTRIC INDUSTRIES1
Top patents by PatentIndex Score
14 records- 0188US6465269B2Semiconductor optical device and method of manufacturing the sameNEC CORP·Filed 2001·Granted Oct 15, 2002·38 cites·15 claims
- 0288US5815520Alight emitting semiconductor device and its manufacturing methodNEC CORP·Filed 1996·Granted Sep 29, 1998·142 cites·9 claims
- 0384US6219366B1Semiconductor optical device and method of manufacturing the sameNEC CORP·Filed 1998·Granted Apr 17, 2001·55 cites·17 claims
- 0478US8243769B2Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatusFURUSHIMA YUJI·Filed 2008·Granted Aug 14, 2012·7 cites·19 claims
- 0568US6539039B2Optical semiconductor device and method of manufacturing the sameNEC CORP·Filed 2001·Granted Mar 25, 2003·9 cites·10 claims
- 0664US10727144B2Light emitting apparatus and method of manufacturing light emitting apparatusSONY CORP·Filed 2016·Granted Jul 28, 2020·1 cites·14 claims
- 0764US9379523B2Group III nitride semiconductor device, p-type contact structure, and method for fabricating group III nitride semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jun 28, 2016·1 cites·18 claims
- 0864US6477283B1Electroabsorption optical modulator and fabrication method thereofNEC CORP·Filed 2000·Granted Nov 5, 2002·9 cites·10 claims
- 0958US8253150B2Semiconductor light emitting device and method of manufacturing itFURUSHIMA YUJI·Filed 2007·Granted Aug 28, 2012·2 cites·4 claims
- 1055US6670203B2Method for manufacturing semiconductor laser having recombination layer stripes in current blocking structureNEC CORP·Filed 2001·Granted Dec 30, 2003·5 cites·9 claims
- 1149US10833477B2Drive unit and light-emitting deviceSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2017·Granted Nov 10, 2020·0 cites·2 claims
- 1241US8494020B2Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatusFURUSHIMA YUJI·Filed 2012·Granted Jul 23, 2013·0 cites·8 claims
- 1341US6337870B1Semiconductor laser having recombination layer stripes in current blocking structureNEC CORP·Filed 1998·Granted Jan 8, 2002·8 cites·7 claims
- 1441US2021083454A1Surface-emitting semiconductor laser and sensing moduleSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2018·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yuji Furushima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →