Ja-Geon KOO

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Eumseong-gun, KR

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Patents Grantslast 30 patents

Information Patent Grant
RF switch device
- Patent number 11,830,923
- Issue date Nov 28, 2023
- DB HiTek, Co., Ltd.
- Seung Hyun Eom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device formed on SOI substrate
- Patent number 11,640,938
- Issue date May 2, 2023
- DB HITEK CO., LTD.
- Ki Won Lim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
RF switch device
- Patent number 11,362,655
- Issue date Jun 14, 2022
- DB HiTek Co., Ltd.
- Ja-Geon Koo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
RF SWITCH DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20250062253
- Publication date Feb 20, 2025
- DB HiTek Co., Ltd.
- Ja Geon KOO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20240339515
- Publication date Oct 10, 2024
- DB HITEK CO., LTD.
- Ja Geon KOO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BLOCKER SIGNAL REMOVAL DEVICE, RECEIVER INPUT UNIT AND/OR WIRELESS...
- Publication number 20240120958
- Publication date Apr 11, 2024
- DB HiTek Co., Ltd.
- Ja Geon KOO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RF SWITCH DEVICE
- Publication number 20230335611
- Publication date Oct 19, 2023
- DB HiTek Co., Ltd.
- Ja Geon KOO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RF SWITCH DEVICE
- Publication number 20220336620
- Publication date Oct 20, 2022
- DB HiTek Co., Ltd.
- Seung Hyun EOM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE FORMED ON SOI SUBSTRATE
- Publication number 20220068793
- Publication date Mar 3, 2022
- DB HITEK CO., LTD.
- Ki Won LIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RF SWITCH DEVICE
- Publication number 20210281260
- Publication date Sep 9, 2021
- DB HiTek Co., Ltd.
- Ja-Geon KOO
- H03 - BASIC ELECTRONIC CIRCUITRY