Shigeki Koyama

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Toyama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite member, heat radiation member, semiconductor device, and...
- Patent number 11,147,156
- Issue date Oct 12, 2021
- Sumitomo Electric Industries, Ltd.
- Isao Iwayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnesium-based composite member, heat radiation member, and semico...
- Patent number 9,556,501
- Issue date Jan 31, 2017
- Sumitomo Electric Industries, Ltd.
- Isao Iwayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composite member including substrate made of composite material
- Patent number 9,347,120
- Issue date May 24, 2016
- SUMITOMO ELECTRIC INDUSTREIS, LTD.
- Isao Iwayama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE MEMBER, HEAT RADIATION MEMBER, SEMICONDUCTOR DEVICE, AND...
- Publication number 20190297725
- Publication date Sep 26, 2019
- Sumitomo Electric Industries, Ltd.
- Isao IWAYAMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPOSITE MEMBER INCLUDING SUBSTRATE MADE OF COMPOSITE MATERIAL
- Publication number 20130328184
- Publication date Dec 12, 2013
- A.L.M.T. CORP.
- Isao Iwayama
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
MAGNESIUM-BASED COMPOSITE MEMBER, HEAT RADIATION MEMBER, AND SEMICO...
- Publication number 20130009301
- Publication date Jan 10, 2013
- A.L.M.T. CORP.
- Isao Iwayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HEAT SPREADER FOR SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING...
- Publication number 20100206537
- Publication date Aug 19, 2010
- Toshiya Ikeda
- H01 - BASIC ELECTRIC ELEMENTS