Duk Joo Woo

Follow

Person

Gyeonggi-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
High voltage semiconductor device
- Patent number 10,008,594
- Issue date Jun 26, 2018
- DB HITEK CO., LTD.
- Kee Joon Choi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DEMOS TRANSISTOR AND METHOD OF MANUFACTURING THE SAME
- Publication number 20190088780
- Publication date Mar 21, 2019
- DB HITEK CO., LTD.
- Kee Joon CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH VOLTAGE SEMICONDUCTOR DEVICE
- Publication number 20170278922
- Publication date Sep 28, 2017
- DONGBU HITEK CO., LTD.
- Kee Joon Choi
- H01 - BASIC ELECTRIC ELEMENTS