Takafumi Sasaki

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copper particles and method for producing same
- Patent number 11,980,935
- Issue date May 14, 2024
- Mitsui Mining & Smelting Co., Ltd.
- Mizuki Akizawa
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
COPPER PARTICLES AND METHOD FOR MANUFACTURING SAME
- Publication number 20240139804
- Publication date May 2, 2024
- Mitsui Mining and Smelting Co., Ltd.
- Mizuki AKIZAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
COPPER PARTICLES AND METHOD FOR PRODUCING SAME
- Publication number 20230107436
- Publication date Apr 6, 2023
- Mitsui Mining and Smelting Co., Ltd.
- Mizuki AKIZAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
COMPOSITE COPPER PARTICLES, AND METHOD FOR PRODUCING SAME
- Publication number 20150144849
- Publication date May 28, 2015
- Mitsui Mining and Smelting Co., Ltd.
- Toshihiro Kohira
- H01 - BASIC ELECTRIC ELEMENTS