An Sik Choi

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Cheonan-si, KR

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Patents Applicationslast 30 patents

Information Patent Application
TO CAN TYPE SEMICONDUCTOR LASER DIODE PACKAGE MODULE
- Publication number 20250047060
- Publication date Feb 6, 2025
- QSI CO., LTD.
- Jung Hyun PARK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DIODE DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20220123525
- Publication date Apr 21, 2022
- QSI Inc.
- Jeong-Geun Kwak
- H01 - BASIC ELECTRIC ELEMENTS