Kazuto KUMAGAI

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Patents Grantslast 30 patents

Information Patent Grant
Single-crystal silicon carbide wafer, and single-crystal silicon ca...
- Patent number 12,325,934
- Issue date Jun 10, 2025
- Central Glass Company, Limited
- Tomonori Umezaki
- C30 - CRYSTAL GROWTH
Information Patent Grant
Single-crystal silicon carbide wafer, single-crystal silicon carbid...
- Patent number 12,325,935
- Issue date Jun 10, 2025
- Central Glass Company, Limited
- Tomonori Umezaki
- C30 - CRYSTAL GROWTH
Information Patent Grant
Silicon carbide single crystal
- Patent number 11,643,748
- Issue date May 9, 2023
- Central Glass Co., Ltd.
- Kazuto Kumagai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SINGLE-CRYSTAL SILICON CARBIDE WAFER, SINGLE-CRYSTAL SILICON CARBID...
- Publication number 20240368806
- Publication date Nov 7, 2024
- Central Glass Company, Limited
- Tomonori UMEZAKI
- C30 - CRYSTAL GROWTH
Information Patent Application
SINGLE-CRYSTAL SILICON CARBIDE WAFER, AND SINGLE-CRYSTAL SILICON CA...
- Publication number 20240344237
- Publication date Oct 17, 2024
- Central Glass Company, Limited
- Tomonori UMEZAKI
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR PRODUCING SILICON CARBIDE SINGLE CRYSTAL
- Publication number 20200347511
- Publication date Nov 5, 2020
- CENTRAL GLASS CO., LTD.
- Kazuto KUMAGAI
- C30 - CRYSTAL GROWTH