Koshiro NIIHARA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Repair method of rotor
- Patent number 12,311,482
- Issue date May 27, 2025
- Mitsubishi Heavy Industries Compressor Corporation
- Kohei Ogawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Impeller brazing method
- Patent number 9,815,134
- Issue date Nov 14, 2017
- Mitsubishi Heavy Industries Compressor Corporation
- Kazutoshi Yokoo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Impeller brazing method
- Patent number 9,566,655
- Issue date Feb 14, 2017
- Mitsubishi Heavy Industries, Ltd.
- Kazutoshi Yokoo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing impeller
- Patent number 8,650,754
- Issue date Feb 18, 2014
- Mitsubishi Heavy Industries, Ltd.
- Koshiro Niihara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
REPAIR METHOD OF ROTOR
- Publication number 20250033150
- Publication date Jan 30, 2025
- MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
- Kohei Ogawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
IMPELLER BRAZING METHOD
- Publication number 20170144241
- Publication date May 25, 2017
- Mitsubishi Heavy Industries, Ltd.
- Kazutoshi YOKOO
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR MANUFACTURING IMPELLER
- Publication number 20120117803
- Publication date May 17, 2012
- Koshiro Niihara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR