Jiro Kajiwara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing head, wafer polishing apparatus using the same, and wafer...
- Patent number 11,554,458
- Issue date Jan 17, 2023
- Sumco Corporation
- Yuki Nakano
- B24 - GRINDING POLISHING
Information Patent Grant
Vacuum storage method and device for crystalline material
- Patent number 9,250,014
- Issue date Feb 2, 2016
- MITSUBISHI MATERIALS TECHNO CORPORATION
- Yukichi Horioka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Vacuum storage method and device for crystalline material
- Patent number 9,212,850
- Issue date Dec 15, 2015
- MITSUBISHI MATERIALS TECHNO CORPORATION
- Yukichi Horioka
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
POLISHING HEAD, WAFER POLISHING APPARATUS USING THE SAME, AND WAFER...
- Publication number 20210331285
- Publication date Oct 28, 2021
- SUMCO CORPORATION
- Yuki NAKANO
- B24 - GRINDING POLISHING
Information Patent Application
VACUUM STORAGE METHOD AND DEVICE FOR CRYSTALLINE MATERIAL
- Publication number 20140223763
- Publication date Aug 14, 2014
- MITSUBISHI MATERIALS TECHNO CORPORATION
- Yukichi Horioka
- C30 - CRYSTAL GROWTH