Hiroshi NARA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered bearing and method for manufacturing sintered bearing
- Patent number 11,572,921
- Issue date Feb 7, 2023
- PORITE CORPORATION
- Shigeyuki Tanabe
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
SINTERED BEARING AND METHOD FOR MANUFACTURING SINTERED BEARING
- Publication number 20210040989
- Publication date Feb 11, 2021
- PORITE CORPORATION
- Shigeyuki TANABE
- B22 - CASTING POWDER METALLURGY