Inventor · disambiguated record
Masaru Kuramoto
Also filed as: KURAMOTO MASARU
70 granted patents·24 pending applications·315 citations·filing 1997–2025
98Inventor score
Top patents by PatentIndex Score
94 records- 0196US6809351B2Group III-V compound semiconductor crystal structure and method of epitaxial growth of the same as well as semiconductor device including the sameNEC CORP·Filed 2002·Granted Oct 26, 2004·129 cites·14 claims
- 0290US9893492B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2016·Granted Feb 13, 2018·4 cites·7 claims
- 0390US7606278B2Semiconductor laser, method of manufacturing semiconductor device, optical pickup, and optical disk apparatusSONY CORP·Filed 2007·Granted Oct 20, 2009·13 cites·11 claims
- 0489US7282745B2Nitride based semiconductor light-emitting deviceNEC CORP·Filed 2005·Granted Oct 16, 2007·10 cites·10 claims
- 0586US2025158360A1Vertical cavity surface emitting deviceSTANLEY ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 0685US10892601B2Vertical cavity light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2019·Granted Jan 12, 2021·3 cites·6 claims
- 0785US8786941B2Semiconductor optical amplifierKURAMOTO MASARU·Filed 2011·Granted Jul 22, 2014·6 cites·7 claims
- 0885US6977952B2Nitride based semiconductor light-emitting deviceNEC CORP·Filed 2001·Granted Dec 20, 2005·20 cites·13 claims
- 0983US9595810B2Light emitting element having multiple surface areas of a semiconductor layer and method of producing sameSONY CORP·Filed 2014·Granted Mar 14, 2017·5 cites·17 claims
- 1083US9184560B2Semiconductor-laser-device assemblySONY CORP·Filed 2014·Granted Nov 10, 2015·4 cites·22 claims
- 1183US8982920B2Submount, submount assembly, and submount assembling methodWATANABE HIDEKI·Filed 2012·Granted Mar 17, 2015·6 cites·12 claims
- 1282US9407067B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2014·Granted Aug 2, 2016·3 cites·13 claims
- 1381US10170667B2Semiconductor optical deviceSONY CORP·Filed 2018·Granted Jan 1, 2019·2 cites·10 claims
- 1481US6855959B2Nitride based semiconductor photo-luminescent deviceNEC CORP·Filed 2001·Granted Feb 15, 2005·32 cites·34 claims
- 1581US2025266663A1Vertical cavity surface emitting deviceSTANLEY ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 1679US10795250B2Lighting apparatus and lighting tool for vehicleSTANLEY ELECTRIC CO LTD·Filed 2019·Granted Oct 6, 2020·2 cites·13 claims
- 1778US9917228B2Semiconductor optical deviceSONY CORP·Filed 2015·Granted Mar 13, 2018·2 cites·10 claims
- 1878US8831055B2Self-oscillating semiconductor laser device and driving method thereofWATANABE HIDEKI·Filed 2011·Granted Sep 9, 2014·4 cites·19 claims
- 1977US12308614B2Vertical cavity surface emitting deviceSTANLEY ELECTRIC CO LTD·Filed 2019·Granted May 20, 2025·1 cites·8 claims
- 2076US8615027B2Laser diode, optical disk device and optical pickupOOTA MAKOTO·Filed 2009·Granted Dec 24, 2013·4 cites·7 claims
- 2175US8483256B2Laser diode element assembly and method of driving the sameOKI TOMOYUKI·Filed 2012·Granted Jul 9, 2013·3 cites·16 claims
- 2274US8943324B2Green energy generation apparatus, mobile device, electric storage apparatus, and management method of green energy informationWAKITA YOSHIHIRO·Filed 2011·Granted Jan 27, 2015·1 cites·22 claims
- 2373US9252566B2Method of manufacturing light emitting elementSONY CORP·Filed 2014·Granted Feb 2, 2016·2 cites·6 claims
- 2471US8442079B2Mode-locked semiconductor laser device and driving method thereofOKI TOMOYUKI·Filed 2011·Granted May 14, 2013·2 cites·10 claims
- 2571US6642546B2Nitride based semiconductor device and method of forming the sameNEC CORP·Filed 2001·Granted Nov 4, 2003·19 cites·64 claims
- 2669US11081862B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2019·Granted Aug 3, 2021·0 cites·20 claims
- 2769US2025248182A1Light-emitting deviceSTANLEY ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 2868US8329483B2Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the sameWATANABE HIDEKI·Filed 2010·Granted Dec 11, 2012·1 cites·9 claims
- 2966US9219346B2Laser diode assemblyKONO SHUNSUKE·Filed 2011·Granted Dec 22, 2015·2 cites·9 claims
- 3065US8575626B2Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the sameWATANABE HIDEKI·Filed 2012·Granted Nov 5, 2013·1 cites·8 claims
- 3165US7680172B2Laser diode deviceSONY CORP·Filed 2006·Granted Mar 16, 2010·2 cites·6 claims
- 3265US2025392103A1Vertical cavity light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 3364US12218486B2Vertical cavity surface emitting deviceSTANLEY ELECTRIC CO LTD·Filed 2019·Granted Feb 4, 2025·0 cites·23 claims
- 3464US10637209B2Light emitting elementSONY CORP·Filed 2019·Granted Apr 28, 2020·0 cites·14 claims
- 3563US10541513B2Light emitting element and method of manufacturing the sameSONY CORP·Filed 2018·Granted Jan 21, 2020·0 cites·20 claims
- 3663US2025167522A1Vertical cavity light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 3763US2025047073A1Vertical cavity light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 3863US2024405515A1Vertical cavity light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 3962US10199799B2Light emitting elementSONY CORP·Filed 2018·Granted Feb 5, 2019·0 cites·12 claims
- 4062US7943407B2Method for manufacturing semiconductor laserSONY CORP·Filed 2009·Granted May 17, 2011·2 cites·8 claims
- 4162US2024380173A1Vertical cavity light-emitting elementUNIV MEIJO·Filed 2022·Application pending·0 cites
- 4261US10546975B2Semiconductor optical deviceSONY CORP·Filed 2018·Granted Jan 28, 2020·0 cites·13 claims
- 4361US8270450B2Method of manufacturing semiconductor laser, semiconductor laser, optical disc device, method of manufacturing semiconductor device, and semiconductor deviceSAWAHATA JUNJI·Filed 2010·Granted Sep 18, 2012·2 cites·19 claims
- 4459US7183585B2Semiconductor device and a method for the manufacture thereofNEC CORP·Filed 2004·Granted Feb 27, 2007·4 cites·13 claims
- 4558US8896002B2Method for producing semiconductor laser, semiconductor laser, optical pickup, and optical disk driveKODA RINTARO·Filed 2009·Granted Nov 25, 2014·1 cites·12 claims
- 4658US7867798B2Semiconductor laser, method of manufacturing semiconductor laser, optical pickup and optical disk systemSONY CORP·Filed 2009·Granted Jan 11, 2011·0 cites·2 claims
- 4758US6635905B2Gallium nitride based compound semiconductor light-emitting deviceNEC CORP·Filed 2002·Granted Oct 21, 2003·8 cites·50 claims
- 4858US2025364787A1Vertical cavity light-emitting element and manufacturing method thereofSTANLEY ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 4957US10700497B2Optical semiconductor deviceSONY CORP·Filed 2018·Granted Jun 30, 2020·0 cites·4 claims
- 5056US9882352B2Light emitting elementSONY CORP·Filed 2015·Granted Jan 30, 2018·0 cites·14 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masaru Kuramoto 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 →