Taek Jin Han

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Hearing assistant device for informing about state of wearer
- Patent number 10,251,000
- Issue date Apr 2, 2019
- Em-Tech. Co., Ltd.
- Choong Sheek Hong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Audio Device with Music Listening Function and Surroundings Hearing...
- Publication number 20180018143
- Publication date Jan 18, 2018
- Em-Tech Co., Ltd.
- Choong Sheek Hong
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hearing Assistance Device for Informing About State of Wearer
- Publication number 20180007475
- Publication date Jan 4, 2018
- Em-Tech Co., Ltd.
- Choong Sheek Hong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS