Yasuo Doi

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Niihama-shi, Ehime, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing nickel powder
- Patent number 10,518,332
- Issue date Dec 31, 2019
- Sumitomo Metal Mining Co., Ltd.
- Kazuyuki Takaishi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
NICKEL POWDER MANUFACTURING METHOD
- Publication number 20200384542
- Publication date Dec 10, 2020
- Sumitomo Metal Mining Co., Ltd.
- Kazuyuki Takaishi
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PRODUCING NICKEL POWDER
- Publication number 20190210114
- Publication date Jul 11, 2019
- Sumitomo Metal Mining Co., Ltd.
- Kazuyuki Takaishi
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PRODUCING SEED CRYSTAL OF COBALT POWDER
- Publication number 20190061006
- Publication date Feb 28, 2019
- Sumitomo Metal Mining Co., Ltd.
- Osamu Ikeda
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR MANUFACTURING NICKEL POWDER, AND METHOD FOR OPERATING RE...
- Publication number 20180257143
- Publication date Sep 13, 2018
- Sumitomo Metal Mining Co., Ltd.
- Yasuo Doi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING COBALT POWDER
- Publication number 20180169764
- Publication date Jun 21, 2018
- Sumitomo Metal Mining Co., Ltd.
- Ryo-ma Yamaguma
- B22 - CASTING POWDER METALLURGY
Information Patent Application
COBALT POWDER PRODUCTION METHOD
- Publication number 20180056399
- Publication date Mar 1, 2018
- Sumitomo Metal Mining Co., Ltd.
- Shin-ichi Heguri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...