Fumiya ITO

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Patents Grantslast 30 patents

Information Patent Grant
Valve guide made of iron-based sintered alloy and method of produci...
- Patent number 11,951,547
- Issue date Apr 9, 2024
- TPR CO., LTD.
- Yoshio Bando
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered alloy valve guide and method of producing sintered alloy v...
- Patent number 11,719,138
- Issue date Aug 8, 2023
- TPR CO., LTD.
- Fumiya Ito
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered alloy valve guide and method of producing sintered alloy v...
- Patent number 11,686,226
- Issue date Jun 27, 2023
- TPR CO., LTD.
- Fumiya Ito
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
SINTERED ALLOY VALVE GUIDE AND METHOD OF PRODUCING SINTERED ALLOY V...
- Publication number 20230127085
- Publication date Apr 27, 2023
- TPR CO., LTD.
- Fumiya Ito
- B22 - CASTING POWDER METALLURGY
Information Patent Application
IRON-BASED SINTERED ALLOY VALVE GUIDE AND METHOD FOR MANUFACTURING...
- Publication number 20200165945
- Publication date May 28, 2020
- TPR CO., LTD.
- Yoshio BANDO
- B22 - CASTING POWDER METALLURGY