Inventor · disambiguated record
Keiichi Maki
Also filed as: MAKI KEIICHI
65 granted patents·13 pending applications·316 citations·filing 2014–2024
98Inventor score
Files withSKYWORKS SOLUTIONS INC53TOSHIBA HOKUTO ELECTRONICS CORP21NICHIA CORP2TOSHIBA HOKUTO ELECT CORP1UNIV TOHOKU1
Top patents by PatentIndex Score
78 records- 0198US11689178B2Acoustic wave device with multi-layer piezoelectric substrateSKYWORKS SOLUTIONS INC·Filed 2019·Granted Jun 27, 2023·15 cites·20 claims
- 0298US11368137B2Acoustic wave device with transverse mode suppressionSKYWORKS SOLUTIONS INC·Filed 2019·Granted Jun 21, 2022·23 cites·20 claims
- 0398US11245378B2Acoustic wave device with spinel layer and temperature compensation layerSKYWORKS SOLUTIONS INC·Filed 2020·Granted Feb 8, 2022·19 cites·21 claims
- 0498US10749497B2Acoustic wave device with spinel layer and temperature compensation layerSKYWORKS SOLUTIONS INC·Filed 2019·Granted Aug 18, 2020·22 cites·22 claims
- 0597US12334899B2Acoustic wave devices on stacked dieSKYWORKS SOLUTIONS INC·Filed 2023·Granted Jun 17, 2025·5 cites·20 claims
- 0697US12047053B2Surface acoustic wave resonator with multi-layer piezoelectric substrate with heat dissipationSKYWORKS SOLUTIONS INC·Filed 2021·Granted Jul 23, 2024·11 cites·20 claims
- 0797US11923822B2Bulk acoustic wave resonator on surface acoustic wave deviceSKYWORKS SOLUTIONS INC·Filed 2020·Granted Mar 5, 2024·8 cites·20 claims
- 0897US11894828B2Boundary acoustic wave deviceSKYWORKS SOLUTIONS INC·Filed 2019·Granted Feb 6, 2024·11 cites·20 claims
- 0997US11876501B2Acoustic wave device with multi-layer substrate including ceramicSKYWORKS SOLUTIONS INC·Filed 2020·Granted Jan 16, 2024·10 cites·20 claims
- 1097US11824515B2Acoustic wave device with spinel layer and temperature compensation layerSKYWORKS SOLUTIONS INC·Filed 2021·Granted Nov 21, 2023·13 cites·20 claims
- 1197US11750172B2Multilayer piezoelectric substrateSKYWORKS SOLUTIONS INC·Filed 2020·Granted Sep 5, 2023·13 cites·18 claims
- 1297US11722122B2Multilayer piezoelectric substrate with high density electrodeSKYWORKS SOLUTIONS INC·Filed 2020·Granted Aug 8, 2023·16 cites·20 claims
- 1397US11621690B2Method of manufacturing acoustic wave device with multi-layer substrate including ceramicSKYWORKS SOLUTIONS INC·Filed 2020·Granted Apr 4, 2023·13 cites·20 claims
- 1497US11616487B2Acoustic wave devices on stacked dieSKYWORKS SOLUTIONS INC·Filed 2019·Granted Mar 28, 2023·14 cites·21 claims
- 1597US11050406B2Multi-layer piezoelectric substrate with heat dissipationSKYWORKS SOLUTIONS INC·Filed 2019·Granted Jun 29, 2021·18 cites·20 claims
- 1696US11677377B2Multi-layer piezoelectric substrate with grounding structureSKYWORKS SOLUTIONS INC·Filed 2019·Granted Jun 13, 2023·10 cites·20 claims
- 1796US11671072B2Multi-layer piezoelectric substrate with conductive layerSKYWORKS SOLUTIONS INC·Filed 2019·Granted Jun 6, 2023·10 cites·20 claims
- 1896US11664780B2Rayleigh mode surface acoustic wave resonatorSKYWORKS SOLUTIONS INC·Filed 2020·Granted May 30, 2023·5 cites·20 claims
- 1995US11133789B2Multilayer piezoelectric substrateSKYWORKS SOLUTIONS INC·Filed 2019·Granted Sep 28, 2021·11 cites·18 claims
- 2094US11923823B2Acoustic wave device with high thermal conductivity layer on interdigital transducerSKYWORKS SOLUTIONS INC·Filed 2021·Granted Mar 5, 2024·3 cites·24 claims
- 2193US9306132B2Light emitting device and method for manufacturing the sameTOSHIBA HOKUTO ELECT CORP·Filed 2015·Granted Apr 5, 2016·13 cites·18 claims
- 2292US11804822B2Surface acoustic wave resonator with reduced frequency shiftSKYWORKS SOLUTIONS INC·Filed 2020·Granted Oct 31, 2023·4 cites·15 claims
- 2391US12063027B2Acoustic wave device with ceramic substrateSKYWORKS SOLUTIONS INC·Filed 2019·Granted Aug 13, 2024·5 cites·20 claims
- 2491US11025220B2Acoustic wave device with high thermal conductivity layer on interdigital transducerSKYWORKS SOLUTIONS INC·Filed 2019·Granted Jun 1, 2021·5 cites·34 claims
- 2590US9627594B2Light emitting device and method for manufacturing the sameTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2016·Granted Apr 18, 2017·7 cites·20 claims
- 2689US9837587B2Light-emitting device with improved flexural resistance and electrical connection between layers, production method therefor, and device using light-emitting deviceTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2014·Granted Dec 5, 2017·7 cites·17 claims
- 2788US12500568B2Acoustic wave device with multi-layer substrate including ceramicSKYWORKS SOLUTIONS INC·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 2888US12476608B2Acoustic wave device with multi-layer interdigital transducer electrode having layer of more dense material over layer of less dense materialSKYWORKS SOLUTIONS INC·Filed 2022·Granted Nov 18, 2025·1 cites·20 claims
- 2988US12334902B2Acoustic wave device with transverse mode suppressionSKYWORKS SOLUTIONS INC·Filed 2022·Granted Jun 17, 2025·1 cites·20 claims
- 3088US12301208B2Acoustic wave device with multi-layer interdigital transducer electrodeSKYWORKS SOLUTIONS INC·Filed 2022·Granted May 13, 2025·1 cites·19 claims
- 3187US12476606B2Acoustic wave device with multi-layer substrate including ceramicSKYWORKS SOLUTIONS INC·Filed 2023·Granted Nov 18, 2025·0 cites·20 claims
- 3287US12368431B2Acoustic wave filter with multiple acoustic wave devices on a subtrateSKYWORKS SOLUTIONS INC·Filed 2022·Granted Jul 22, 2025·1 cites·20 claims
- 3385US10461063B2Light-emitting deviceTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2016·Granted Oct 29, 2019·4 cites·17 claims
- 3484US12401340B2Acoustic wave device with multi-layer piezoelectric substrate with heat dissipationSKYWORKS SOLUTIONS INC·Filed 2024·Granted Aug 26, 2025·0 cites·20 claims
- 3583US12463616B2Acoustic wave device with ceramic substrateSKYWORKS SOLUTIONS INC·Filed 2024·Granted Nov 4, 2025·0 cites·20 claims
- 3683US12255613B2Multi-layer piezoelectric substrate with conductive layerSKYWORKS SOLUTIONS INC·Filed 2023·Granted Mar 18, 2025·0 cites·20 claims
- 3782US2025141424A1Stacked device structure with a bulk acoustic wave resonator supported by a surface acoustic wave deviceSKYWORKS SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 3881US9799811B2Light emitting deviceTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2016·Granted Oct 24, 2017·4 cites·19 claims
- 3979US10734365B2Light-emitting deviceTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2019·Granted Aug 4, 2020·2 cites·8 claims
- 4079US10575400B2Light-emitting moduleTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2017·Granted Feb 25, 2020·2 cites·24 claims
- 4177US12206387B2Rayleigh mode surface acoustic wave resonatorSKYWORKS SOLUTIONS INC·Filed 2023·Granted Jan 21, 2025·0 cites·20 claims
- 4275US12494766B2Acoustic wave device with interdigital transducer electrode having buffer layerSKYWORKS SOLUTIONS INC·Filed 2023·Granted Dec 9, 2025·0 cites·20 claims
- 4375US12456960B2Temperature compensated acoustic wave device with multilayer interdigital transducer electrode including buffer layerSKYWORKS SOLUTIONS INC·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 4475US10854582B2Light-emitting moduleTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2018·Granted Dec 1, 2020·2 cites·24 claims
- 4575US10553769B2Light-emitting unit and manufacturing method of light-emitting unitTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2016·Granted Feb 4, 2020·2 cites·1 claims
- 4675US10483443B2Light emitting device and manufacturing method thereofTOSHIBA HOKUTO ELECTRONICS CORP·Filed 2016·Granted Nov 19, 2019·2 cites·34 claims
- 4774US12494769B2Packaged surface acoustic wave device with conductive pillarSKYWORKS SOLUTIONS INC·Filed 2022·Granted Dec 9, 2025·0 cites·20 claims
- 4874US12470201B2Packaged multilayer piezoelectric surface acoustic wave device with conductive pillarSKYWORKS SOLUTIONS INC·Filed 2022·Granted Nov 11, 2025·0 cites·20 claims
- 4974US2022393083A1Light-emitting device with improved flexural resistance and electrical connection between layers, production method therefor, and device using light-emitting deviceNICHIA CORP·Filed 2022·Application pending·0 cites
- 5070US12149224B2Bulk acoustic wave resonator on multi-layer piezoelectric substrate acoustic wave deviceSKYWORKS SOLUTIONS INC·Filed 2020·Granted Nov 19, 2024·0 cites·19 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →