Yong Hee Oh

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Gyeongsangnam-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Microspeaker enclosure including block formed of porous particles
- Patent number 12,207,046
- Issue date Jan 21, 2025
- EM-TECH CO., LTD.
- Yong Hee Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Sound Amplification Block Made of Air-Permeable Material and Air-Ab...
- Publication number 20250054477
- Publication date Feb 13, 2025
- EM-TECH. Co., Ltd.
- Yong-Hee Oh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Block Formed of Porous Material and Microspeaker Enclosure Includin...
- Publication number 20240022851
- Publication date Jan 18, 2024
- EM-TECH. Co., Ltd.
- Yong Hee Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MICROSPEAKER HAVING A FLEXIBLE PRINTED CIRCUIT BOARD AS A DIAPHRAGM
- Publication number 20230156405
- Publication date May 18, 2023
- EM-TECH. Co., Ltd.
- Byung Min Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Microspeaker Enclosure Including Block Formed of Porous Particles
- Publication number 20230022009
- Publication date Jan 26, 2023
- Yong Hee Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Microspeaker Enclosure Including Block Formed of Porous Particles
- Publication number 20230023601
- Publication date Jan 26, 2023
- Yong Hee Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE