Hyung Jun Yoo

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Non-rotating type direct current generator
- Patent number 12,283,853
- Issue date Apr 22, 2025
- Woo Hee Choi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Non-rotating alternating current generating device
- Patent number 12,176,799
- Issue date Dec 24, 2024
- Woo Hee Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Signal processing device enabling immediate recording of a broadcas...
- Patent number 6,058,237
- Issue date May 2, 2000
- LG Electronics Inc.
- Jeung Soo Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
NON-ROTATING TYPE DIRECT CURRENT GENERATOR
- Publication number 20240364196
- Publication date Oct 31, 2024
- Woo Hee CHOI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NON-ROTATING ALTERNATING CURRENT GENERATING DEVICE
- Publication number 20230198368
- Publication date Jun 22, 2023
- Woo Hee CHOI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER