Inventor · disambiguated record
Keigo Hoshikawa
Also filed as: HOSHIKAWA KEIGO
11 granted patents·6 pending applications·35 citations·filing 1987–2022
84Inventor score
Top patents by PatentIndex Score
17 records- 0185US11674238B2Crucible for growing metal oxide single crystalFUJIKOSHI MACHINERY CORP·Filed 2021·Granted Jun 13, 2023·1 cites·6 claims
- 0281US10570528B2Apparatus and method for producing gallium oxide crystalUNIV SHINSHU·Filed 2017·Granted Feb 25, 2020·4 cites·6 claims
- 0367US12258674B2Production apparatus for metal oxide single crystal and production method for metal oxide single crystalUNIV SHINSHU·Filed 2022·Granted Mar 25, 2025·0 cites·10 claims
- 0466US4863554AProcess for pulling a single crystalSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Sep 5, 1989·17 cites·1 claims
- 0559US10280530B2Apparatus for producing a single crystal of a metal oxide comprising a Pt-Rh alloy heater coated with zirconiaFUJIKOSHI MACHINERY CORP·Filed 2018·Granted May 7, 2019·0 cites·12 claims
- 0657US11795568B2Production apparatus for gallium oxide crystal capable of preventing harmful substances formed in furnace from being diffused to surroundings of furnaceFUJIKOSHI MACHINERY CORP·Filed 2021·Granted Oct 24, 2023·0 cites·3 claims
- 0757US11674239B2Gallium oxide crystal manufacturing deviceFUJIKOSHI MACHINERY CORP·Filed 2021·Granted Jun 13, 2023·0 cites·6 claims
- 0855US11248311B2Sapphire ribbon and apparatus for manufacturing single crystal ribbonsKYOCERA CORP·Filed 2020·Granted Feb 15, 2022·0 cites·9 claims
- 0954US2022243357A1Production apparatus for gallium oxide crystal and production method for gallium oxide crystalFUJIKOSHI MACHINERY CORP·Filed 2021·Application pending·0 cites
- 1053US2022112622A1Production apparatus for gallium oxide crystalFUJIKOSHI MACHINERY CORP·Filed 2021·Application pending·0 cites
- 1149US5431124ARutile single crystals and their growth processesCHICHIBU CEMENT KK·Filed 1994·Granted Jul 11, 1995·8 cites·6 claims
- 1249US2020115817A1Production apparatus for gallium oxide crystal, production method for gallium oxide crystal, and crucible for growing gallium oxide crystal used thereforUNIV SHINSHU·Filed 2019·Application pending·0 cites
- 1349US2015244021A1Solid electrolyte single crystal having perovskite structure and method for producing the sameTOYOTA MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 1441US5458083AGrowth method for a rod form of single oxide crystalCHICHIBU CEMENT KK·Filed 1994·Granted Oct 17, 1995·5 cites·11 claims
- 1541US2011056430A1Equipment for growing sapphire single crystalHOSHIKAWA KEIGO·Filed 2010·Application pending·0 cites
- 1640US2011017124A1Method and equipment for producing sapphire single crystalHOSHIKAWA KEIGO·Filed 2010·Application pending·0 cites
- 1726US6451108B2Method for manufacturing dislocation-free silicon single crystalPRESIDENT OF SHINSHU UNIVERSIT·Filed 2001·Granted Sep 17, 2002·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →