Haruko YAMAZAKI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon-containing steel material and method for producing same
- Patent number 10,793,935
- Issue date Oct 6, 2020
- Citizen Watch Co., Ltd.
- Haruko Yamazaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
CLOCK SCREW AND METHOD FOR PRODUCING SAME
- Publication number 20180334736
- Publication date Nov 22, 2018
- Citizen Watch Co., Ltd.
- Haruko YAMAZAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...