Takafumi Dasai

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tungsten target
- Patent number 11,939,647
- Issue date Mar 26, 2024
- JX Metals Corporation
- Takafumi Dasai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tungsten sputtering target and method for manufacturing the same
- Patent number 11,939,661
- Issue date Mar 26, 2024
- JX Metals Corporation
- Shinji Sogawa
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Tungsten Silicide Target Member And Method For Manufacturing Same,...
- Publication number 20210025049
- Publication date Jan 28, 2021
- JX Nippon Mining & Metals Corporation
- Takafumi Dasai
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Tungsten Sputtering Target And Method For Producing Same
- Publication number 20200370167
- Publication date Nov 26, 2020
- JX NIPPON MINING & METALS CORPORATION
- Shinji Sogawa
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Tungsten Target
- Publication number 20200016660
- Publication date Jan 16, 2020
- JX NIPPON MINING & METALS CORPORATION
- Takafumi Dasai
- B22 - CASTING POWDER METALLURGY