Akira SAYAMA

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cast-iron cylindrical member and composite structure
- Patent number 10,596,624
- Issue date Mar 24, 2020
- TPR CO., LTD.
- Akira Sayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cylindrical member made of flake graphite cast iron
- Patent number 10,428,407
- Issue date Oct 1, 2019
- TPR CO., LTD.
- Koichi Hatakeyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
CAST-IRON CYLINDRICAL MEMBER AND COMPOSITE STRUCTURE
- Publication number 20190358701
- Publication date Nov 28, 2019
- TPR CO., LTD.
- Akira SAYAMA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
CYLINDRICAL MEMBER MADE OF FLAKE GRAPHITE CAST IRON
- Publication number 20190093203
- Publication date Mar 28, 2019
- TPR CO., LTD.
- Koichi HATAKEYAMA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS