Gouhei Toyoshima

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Itami-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite material, heat sink and semiconductor device
- Patent number 12,252,766
- Issue date Mar 18, 2025
- Sumitomo Electric Industries, Ltd.
- Masatoshi Majima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE MATERIAL, HEAT SINK AND SEMICONDUCTOR DEVICE
- Publication number 20230167528
- Publication date Jun 1, 2023
- Sumitomo Electric Industries, Ltd.
- Masatoshi MAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ceramic Wiring Substrate, Semiconductor Device, And Method For Manu...
- Publication number 20150351241
- Publication date Dec 3, 2015
- A.L.M.T. CORP.
- Yoshiyuki Hirose
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SINTERED TUNGSTEN ALLOY
- Publication number 20140308536
- Publication date Oct 16, 2014
- A.L.M.T. Corp.
- Gouhei Toyoshima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...