Inventor · disambiguated record
Morimichi Watanabe
Also filed as: WATANABE MORIMICHI
59 granted patents·8 pending applications·730 citations·filing 1999–2025
98Inventor score
Top patents by PatentIndex Score
67 records- 0196US6315489B1Fastening memberNICHIHA KK·Filed 1999·Granted Nov 13, 2001·193 cites·11 claims
- 0296US6289646B1Metal fixture assembly for installation of vertical sidings, construction and method of installationNICHIHA CO LTD·Filed 2000·Granted Sep 18, 2001·178 cites·8 claims
- 0393US8679998B2Corrosion-resistant member for semiconductor manufacturing apparatus and method for manufacturing the sameNGK INSULATORS LTD·Filed 2012·Granted Mar 25, 2014·11 cites·9 claims
- 0491US6830405B2Fastening memberNICHIHA KK·Filed 2001·Granted Dec 14, 2004·76 cites·7 claims
- 0590US10138166B2Alumina sintered body and base substrate for optical deviceNGK INSULATORS LTD·Filed 2017·Granted Nov 27, 2018·2 cites·6 claims
- 0690US8685313B2Corrosion-resistant member for semiconductor manufacturing apparatus and method for manufacturing the sameNGK INSULATORS LTD·Filed 2012·Granted Apr 1, 2014·8 cites·8 claims
- 0786US6311442B1External corner formative memberNICHIHA KK·Filed 1999·Granted Nov 6, 2001·75 cites·17 claims
- 0885US9312446B2Gallium nitride self-supported substrate, light-emitting device and manufacturing method thereforNGK INSULATORS LTD·Filed 2014·Granted Apr 12, 2016·1 cites·46 claims
- 0984US6402419B1Fastening memberNICHIHA KK·Filed 2000·Granted Jun 11, 2002·39 cites·9 claims
- 1082US8541328B2Ceramic material, member for semiconductor manufacturing equipment, sputtering target member and method for producing ceramic materialWATANABE MORIMICHI·Filed 2012·Granted Sep 24, 2013·5 cites·20 claims
- 1181US10343928B2Method for manufacturing plate-like alumina powder and plate-like alumina powderNGK INSULATORS LTD·Filed 2017·Granted Jul 9, 2019·1 cites·6 claims
- 1281US9202718B2Electrostatic chuckNGK INSULATORS LTD·Filed 2013·Granted Dec 1, 2015·3 cites·11 claims
- 1381US6578334B2Building board and manufacturing method thereofNICHIHA KK·Filed 2001·Granted Jun 17, 2003·27 cites·6 claims
- 1480US9640720B2Surface light-emission element using zinc oxide substrateNGK INSULATORS LTD·Filed 2015·Granted May 2, 2017·3 cites·16 claims
- 1580US8597776B2Ceramic material, laminate, member for use in semiconductor manufacturing equipment, and sputtering target memberWATANABE MORIMICHI·Filed 2012·Granted Dec 3, 2013·3 cites·19 claims
- 1678US10717677B2Method for producing transparent alumina sintered bodyNGK INSULATORS LTD·Filed 2018·Granted Jul 21, 2020·1 cites·6 claims
- 1777US6895721B2Fixture for building boards, a building board having the fixture fixed thereto, and the method of fastening the building boardsNICHIHA KK·Filed 2001·Granted May 24, 2005·26 cites·7 claims
- 1873US6266937B1Fastening member for vertical board siding, method of fastening lower end of siding board using the fastening member, and structure fastened using the fastening memberNICHIHA KK·Filed 1999·Granted Jul 31, 2001·44 cites·17 claims
- 1972US9768352B2Polycrystalline gallium-nitride self-supporting substrate and light-emitting element using sameNGK INSULATORS LTD·Filed 2016·Granted Sep 19, 2017·0 cites·18 claims
- 2072US6786804B2Siding board for clapboard boarding and a clapboard boarding structureNICHIHA CO LTD·Filed 2002·Granted Sep 7, 2004·16 cites·3 claims
- 2170US12480226B2AlN single crystal substrateNGK INSULATORS LTD·Filed 2024·Granted Nov 25, 2025·0 cites·5 claims
- 2270US9548418B2Gallium nitride self-supported substrate, light-emitting device and manufacturing method thereforNGK INSULATORS LTD·Filed 2016·Granted Jan 17, 2017·0 cites·25 claims
- 2370US9543473B2Polycrystalline gallium-nitride self-supporting substrate and light-emitting element using sameNGK INSULATORS LTD·Filed 2016·Granted Jan 10, 2017·0 cites·17 claims
- 2469US12163249B2Ground substrate and method for producing sameNGK INSULATORS LTD·Filed 2021·Granted Dec 10, 2024·0 cites·20 claims
- 2569US9245775B2Heating deviceNGK INSULATORS LTD·Filed 2013·Granted Jan 26, 2016·1 cites·12 claims
- 2668US12351941B2Ground substrate and method for producing sameNGK INSULATORS LTD·Filed 2021·Granted Jul 8, 2025·0 cites·14 claims
- 2768US2025159937A1Semiconductor filmNGK INSULATORS LTD·Filed 2025·Application pending·0 cites
- 2868US2024401236A1Aln single crystal substrate and deviceNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 2968US2024376635A1Aln single crystal substrate and deviceNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 3066US12406845B2α-Ga2O3 semiconductor filmNGK INSULATORS LTD·Filed 2022·Granted Sep 2, 2025·0 cites·3 claims
- 3166US9893234B2Composite substrate for light-emitting element and production method thereforNGK INSULATORS LTD·Filed 2016·Granted Feb 13, 2018·1 cites·39 claims
- 3265US11942520B2Semiconductor filmNGK INSULATORS LTD·Filed 2021·Granted Mar 26, 2024·0 cites·7 claims
- 3365US6666244B2Building board and manufacturing method thereofNICHIHA KK·Filed 2003·Granted Dec 23, 2003·2 cites·8 claims
- 3465US6652803B2Process and an apparatus for nitriding an aluminum-containing substrateNGK INSULATORS LTD·Filed 2001·Granted Nov 25, 2003·6 cites·16 claims
- 3563US12424440B2Rare earth-containing SiC substrate and method for producing SiC epitaxial layerNGK INSULATORS LTD·Filed 2022·Granted Sep 23, 2025·0 cites·8 claims
- 3663US12125883B2Biaxially oriented SiC composite substrate and semiconductor device composite substrateNGK INSULATORS LTD·Filed 2022·Granted Oct 22, 2024·0 cites·11 claims
- 3762US2022029022A1Semiconductor filmNGK INSULATORS LTD·Filed 2021·Application pending·0 cites
- 3861US10774002B2Method for producing oriented sintered bodyNGK INSULATORS LTD·Filed 2018·Granted Sep 15, 2020·0 cites·8 claims
- 3961US10707373B2Polycrystalline gallium nitride self-supported substrate and light emitting element using sameNGK INSULATORS LTD·Filed 2018·Granted Jul 7, 2020·0 cites·13 claims
- 4061US6558806B2Heat-resistant structural body, halogen-based corrosive gas-resistant material and halogen-based corrosive gas-resistant structural bodyNGK INSULATORS LTD·Filed 2001·Granted May 6, 2003·4 cites·12 claims
- 4161US6524401B2Process for nitriding an aluminum-containing substrateNGK INSULATORS LTD·Filed 2001·Granted Feb 25, 2003·4 cites·28 claims
- 4260US12183792B2SiC composite substrate and composite substrate for semiconductor deviceNGK INSULATORS LTD·Filed 2021·Granted Dec 31, 2024·0 cites·6 claims
- 4360US10156024B2Zinc oxide free-standing substrate and method for manufacturing sameNGK INSULATORS LTD·Filed 2015·Granted Dec 18, 2018·0 cites·12 claims
- 4459US12431440B2SiC composite substrate and composite substrate for semiconductor deviceNGK INSULATORS LTD·Filed 2021·Granted Sep 30, 2025·0 cites·7 claims
- 4559US12080551B2SiC composite substrate including biaxially oreinted SiC layer and semiconductor deviceNGK INSULATORS LTD·Filed 2021·Granted Sep 3, 2024·0 cites·4 claims
- 4658US2023392290A1AlN SINGLE CRYSTAL SUBSTRATENGK INSULATORS LTD·Filed 2023·Application pending·0 cites
- 4757US12159907B2Semiconductor filmNGK INSULATORS LTD·Filed 2022·Granted Dec 3, 2024·0 cites·7 claims
- 4857US9437463B2Heating deviceNGK INSULATORS LTD·Filed 2013·Granted Sep 6, 2016·0 cites·10 claims
- 4957US9287144B2Heating deviceNGK INSULATORS LTD·Filed 2013·Granted Mar 15, 2016·0 cites·18 claims
- 5057US2025391657A1Base substrateNGK INSULATORS LTD·Filed 2025·Application pending·0 cites
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →