Tatsuya Okawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Arc-extinguishing insulation material molded product and gas circui...
- Patent number 9,475,906
- Issue date Oct 25, 2016
- Mitsubishi Electric Corporation
- Kazuki Kubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc-extinguishing insulation material molded product and gas circui...
- Patent number 9,441,074
- Issue date Sep 13, 2016
- Mitsubishi Electric Corporation
- Kazuki Kubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas insulated switchgear and manufacturing method of the same
- Patent number 9,349,501
- Issue date May 24, 2016
- Mitsubishi Electric Corporation
- Takashi Miyamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Splashproof construction for portable type electronic device
- Patent number 5,665,485
- Issue date Sep 9, 1997
- Kokusai Electric Co., Ltd.
- Tatsuo Kuwayama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ARC-EXTINGUISHING INSULATION MATERIAL MOLDED PRODUCT AND GAS CIRCUI...
- Publication number 20150357137
- Publication date Dec 10, 2015
- MITSUBISHI ELECTRIC CORPORATION
- Kazuki KUBO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIBER-REINFORCED COMPOSITE MATERIAL, METHOD OF PRODUCING SAME, AND...
- Publication number 20150336335
- Publication date Nov 26, 2015
- MITSUBISHI ELECTRIC CORPORATION
- Tatsuya OKAWA
- B32 - LAYERED PRODUCTS
Information Patent Application
GAS INSULATED SWITCHGEAR AND MANUFACTURING METHOD OF THE SAME
- Publication number 20140346143
- Publication date Nov 27, 2014
- Mitsubishi Electric corporation
- Takashi Miyamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...