Inventor · disambiguated record
Songbaek Choe
Also filed as: CHOE SONGBAEK
6 granted patents·10 pending applications·18 citations·filing 2012–2020
74Inventor score
Top patents by PatentIndex Score
16 records- 0192US8928004B2Structure for growth of nitride semiconductor layer, stacked structure, nitride-based semiconductor element, light source, and manufacturing method for samePANASONIC CORP·Filed 2013·Granted Jan 6, 2015·12 cites·16 claims
- 0280US9627581B2Nitride semiconductor structure, electronic device including the nitride semiconductor structure, light-emitting device including the nitride semiconductor structure, and method for producing the nitride semiconductor structurePANASONIC IP MAN CO LTD·Filed 2015·Granted Apr 18, 2017·4 cites·15 claims
- 0369US9324913B2Nitride semiconductor structure, multilayer structure, and nitride semiconductor light-emitting elementPANASONIC CORP·Filed 2014·Granted Apr 26, 2016·2 cites·5 claims
- 0452US2014124816A1Structure for growth of nitride semiconductor layer, stacked structure, nitride-based semiconductor element, light source, and manufacturing method for samePANASONIC CORP·Filed 2014·Application pending·0 cites
- 0547US2013234110A1Gallium nitride based compound semiconductor light-emitting element and method for fabricating the samePANASONIC CORP·Filed 2013·Application pending·0 cites
- 0646US2012267664A1Nitride-based semiconductor light-emitting device and method for fabricating the sameCHOE SONGBAEK·Filed 2012·Application pending·0 cites
- 0743US2015318445A1Nitride-based semiconductor light-emitting device and method for fabricating the samePANASONIC IP MAN CO LTD·Filed 2015·Application pending·0 cites
- 0842US10297538B2Signal transmission apparatus including semiconductor chips and signal isolatorPANASONIC CORP·Filed 2017·Granted May 21, 2019·0 cites·16 claims
- 0941US9972587B2Signal transmission device using electromagnetic resonance couplerPANASONIC IP MAN CO LTD·Filed 2017·Granted May 15, 2018·0 cites·16 claims
- 1040US2015102358A1Nitride semiconductor multilayer structure, semiconductor light-emitting device, and method for manufacturing nitride semiconductor multilayer structurePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 1140US2013168733A1Semiconductor-stacked substrate, semiconductor chip, and method for producing semiconductor-stacked substratePANASONIC CORP·Filed 2013·Application pending·0 cites
- 1240US2020186145A1Gate driving circuit and power switching systemPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 1336US2022345128A1Gate drive circuit, insulated gate driver and gate drive methodPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 1436US2021111590A1Electromagnetic resonance coupler and gate drive circuit using same, and signal transmission devicePANASONIC CORP·Filed 2018·Application pending·0 cites
- 1533US9536949B2Nitride semiconductor device comprising nitride semiconductor regrowth layerPANASONIC IP MAN CO LTD·Filed 2015·Granted Jan 3, 2017·0 cites·22 claims
- 1632US2016218183A1Diamond multilayer structurePANASONIC IP MAN CO LTD·Filed 2015·Application pending·0 cites
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