Kantarou TORII

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Patents Grantslast 30 patents

Information Patent Grant
Wafer manufacturing method and wafer
- Patent number 11,969,856
- Issue date Apr 30, 2024
- Sumco Corporation
- Kantarou Torii
- B24 - GRINDING POLISHING
Information Patent Grant
Vacuum chuck, beveling/polishing device, and silicon wafer beveling...
- Patent number 10,460,975
- Issue date Oct 29, 2019
- Sumco Corporation
- Kantarou Torii
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
WAFER MANUFACTURING METHOD AND WAFER
- Publication number 20220097200
- Publication date Mar 31, 2022
- SUMCO CORPORATION
- Kantarou TORII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM CHUCK, BEVELING/POLISHING DEVICE, AND SILICON WAFER BEVELING...
- Publication number 20170330783
- Publication date Nov 16, 2017
- SUMCO CORPORATION
- Kantarou TORII
- H01 - BASIC ELECTRIC ELEMENTS