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Shigeru Uchida
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Hadano-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for filling with metallic sodium
Patent number
10,710,153
Issue date
Jul 14, 2020
Nittan Valve Co., Ltd.
Shigeru Uchida
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for purifying metallic sodium
Patent number
10,316,390
Issue date
Jun 11, 2019
Nittan Valve Co., Ltd.
Shigeru Uchida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for supplying inert gas into poppet valve intermediate and a...
Patent number
9,840,948
Issue date
Dec 12, 2017
Nittan Valve Co., Ltd.
Hisanaga Yokoyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of manufacturing a hollow poppet valve
Patent number
9,751,164
Issue date
Sep 5, 2017
Nittan Valve Co., Ltd.
Kazuhiro Ishii
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR FILLING WITH METALLIC SODIUM
Publication number
20190030595
Publication date
Jan 31, 2019
NITTAN VALVE CO., LTD.
Shigeru UCHIDA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PURIFYING METALLIC SODIUM
Publication number
20180142324
Publication date
May 24, 2018
NITTAN VALVE CO., LTD.
Shigeru UCHIDA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR SUPPLYING INERT GAS INTO POPPET VALVE INTERMEDIATE AND A...
Publication number
20170276031
Publication date
Sep 28, 2017
NITTAN VALVE CO., LTD.
Hisanaga YOKOYAMA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF MANUFACTURING A HOLLOW POPPET VALVE
Publication number
20160256965
Publication date
Sep 8, 2016
NITTAN VALVE CO., LTD.
Kazuhiro Ishii
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR