Sunao Shimizu

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered bearing and method for manufacturing same
- Patent number 11,433,455
- Issue date Sep 6, 2022
- NTN Corporation
- Yoshinori Ito
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered bearing and method for manufacturing same
- Patent number 10,081,056
- Issue date Sep 25, 2018
- NTN Corporation
- Yoshinori Ito
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
SINTERED BEARING AND METHOD FOR MANUFACTURING SAME
- Publication number 20180354029
- Publication date Dec 13, 2018
- NTN Corporation
- Yoshinori Ito
- B32 - LAYERED PRODUCTS
Information Patent Application
SINTERED BEARING AND METHOD FOR MANUFACTURING SAME
- Publication number 20140234152
- Publication date Aug 21, 2014
- NTN Corporation
- Yoshinori Ito
- B22 - CASTING POWDER METALLURGY