Assignee
COORSTEK KK
JP·28 granted patents·14 pending applications·29 citations·filing 2015–2023
Top patents by PatentIndex Score
42 records- 0189US11201217B2Nitride semiconductor substrateCOORSTEK KK·Filed 2020·Granted Dec 14, 2021·2 cites·1 claims
- 0287US10008402B1Vertical wafer boatCOORSTEK KK·Filed 2018·Granted Jun 26, 2018·16 cites·4 claims
- 0376US10068858B2Compound semiconductor substrateCOORSTEK KK·Filed 2016·Granted Sep 4, 2018·2 cites·6 claims
- 0475US10252933B2Silica glass member and method of manufacturing the sameCOORSTEK KK·Filed 2017·Granted Apr 9, 2019·2 cites·13 claims
- 0574US10216076B2Ceramic composite, phosphor for projector including the same, and light emitting device for projector including the sameCOORSTEK KK·Filed 2017·Granted Feb 26, 2019·2 cites·12 claims
- 0666US9748344B2Nitride semiconductor substrate having recesses at interface between base substrate and initial nitrideCOORSTEK KK·Filed 2016·Granted Aug 29, 2017·1 cites·2 claims
- 0765US10974183B2Break filter using a silicon carbide porous body and manufacturing method of the break filterCOORSTEK KK·Filed 2019·Granted Apr 13, 2021·1 cites·2 claims
- 0864US11998986B2Alumina sintered body and method for manufacturing the sameCOORSTEK KK·Filed 2022·Granted Jun 4, 2024·0 cites·4 claims
- 0963US12559677B2Ceramic phosphor plateCOORSTEK KK·Filed 2022·Granted Feb 24, 2026·0 cites·2 claims
- 1062US9938195B2Heat insulating material containing a porous sintered body formed of MgAl2O4COORSTEK KK·Filed 2015·Granted Apr 10, 2018·1 cites·4 claims
- 1160US11264243B2Conductive diffuser and manufacturing method of the sameCOORSTEK KK·Filed 2020·Granted Mar 1, 2022·0 cites·6 claims
- 1260US2024212990A1Ceramic sintered body for semiconductor production equipment and manufacturing method thereofCOORSTEK KK·Filed 2023·Application pending·0 cites
- 1359US11230795B2Silica-glass crucible and production method thereofCOORSTEK KK·Filed 2019·Granted Jan 25, 2022·0 cites·4 claims
- 1459US10026633B2Wafer boat and manufacturing method of the sameCOORSTEK KK·Filed 2016·Granted Jul 17, 2018·1 cites·8 claims
- 1559US2023005714A1Gas nozzleCOORSTEK KK·Filed 2022·Application pending·0 cites
- 1657US11605716B2Nitride semiconductor substrate and method of manufacturing the sameCOORSTEK KK·Filed 2020·Granted Mar 14, 2023·0 cites·1 claims
- 1756US10170283B2Focus ring for plasma processing apparatusCOORSTEK KK·Filed 2015·Granted Jan 1, 2019·1 cites·5 claims
- 1853US10830301B2Short carbon fiber-reinforced composite material and method for producing sameCOORSTEK KK·Filed 2018·Granted Nov 10, 2020·0 cites·2 claims
- 1952US12014948B2Semiconductor heat treatment member and manufacturing method thereofCOORSTEK KK·Filed 2021·Granted Jun 18, 2024·0 cites·5 claims
- 2051US10559679B2Nitride semiconductor epitaxial substrateCOORSTEK KK·Filed 2018·Granted Feb 11, 2020·0 cites·2 claims
- 2150US11905219B2Alumina ceramicCOORSTEK KK·Filed 2021·Granted Feb 20, 2024·0 cites·5 claims
- 2250US2023335692A1Silica member and led deviceCOORSTEK KK·Filed 2021·Application pending·0 cites
- 2349US11512247B2Phosphor plateCOORSTEK KK·Filed 2021·Granted Nov 29, 2022·0 cites·3 claims
- 2449US2022411959A1Susceptor and manufacturing method thereofCOORSTEK KK·Filed 2022·Application pending·0 cites
- 2549US2022068614A1Semiconductor manufacturing member and manufacturing method thereforCOORSTEK KK·Filed 2021·Application pending·0 cites
- 2648US10593790B2Nitride semiconductor substrate and method for manufacturing the sameCOORSTEK KK·Filed 2018·Granted Mar 17, 2020·0 cites·4 claims
- 2748US10040693B2Particles for monolithic refractoryCOORSTEK KK·Filed 2016·Granted Aug 7, 2018·0 cites·1 claims
- 2847US11072555B2Glass memberCOORSTEK KK·Filed 2019·Granted Jul 27, 2021·0 cites·7 claims
- 2947US10825895B2Nitride semiconductor substrateCOORSTEK KK·Filed 2019·Granted Nov 3, 2020·0 cites·1 claims
- 3047US2018251721A1Cell culture moduleCOORSTEK KK·Filed 2018·Application pending·0 cites
- 3145US10222519B2Composite silica glass made light diffusion memberCOORSTEK KK·Filed 2017·Granted Mar 5, 2019·0 cites·4 claims
- 3245US2017121805A1Corrosion resistant member and method for manufacturing the sameCOORSTEK KK·Filed 2017·Application pending·0 cites
- 3343US2020194580A1Nitride semiconductor substrate and nitride semiconductor deviceCOORSTEK KK·Filed 2019·Application pending·0 cites
- 3442US2019074416A1Silica glass member, process for producing the same, and process for bonding ceramic and silica glassCOORSTEK KK·Filed 2018·Application pending·0 cites
- 3541US10674566B2Planar heaterCOORSTEK KK·Filed 2017·Granted Jun 2, 2020·0 cites·5 claims
- 3641US2017342377A1Cell culture carrier and cell culture moduleCOORSTEK KK·Filed 2017·Application pending·0 cites
- 3738US9530846B2Nitride semiconductor substrateCOORSTEK KK·Filed 2016·Granted Dec 27, 2016·0 cites·6 claims
- 3836US2016376201A1Fiber material for reinforcement, production method thereof, and fiber-reinforced ceramic composite materialCOORSTEK KK·Filed 2016·Application pending·0 cites
- 3935US11760694B2Alumina sintered body and manufacturing method thereforCOORSTEK KK·Filed 2018·Granted Sep 19, 2023·0 cites·9 claims
- 4035US2018151714A1Nitride semiconductor substrateCOORSTEK KK·Filed 2017·Application pending·0 cites
- 4129US2018019144A1Vertical wafer boatCOORSTEK KK·Filed 2017·Application pending·0 cites
- 4228US2016233117A1Vertical wafer boatCOORSTEK KK·Filed 2016·Application pending·0 cites
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