ESTEC CORPORAITON

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YANGSAN-CITY, KR

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Patents Grantslast 30 patents

Information Patent Grant
Speaker having improved sound-radiating function to both directions
- Patent number 7,570,774
- Issue date Aug 4, 2009
- Estec Corporation
- In-Chan Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker having a device capable of generating sound and vibration
- Patent number 6,611,605
- Issue date Aug 26, 2003
- Estec Corporation
- Jeong Uk Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
LED illuminating device and lighting apparatus employing the same
- Patent number 6,601,984
- Issue date Aug 5, 2003
- Estec Co., Ltd.
- Yutaka Yamamoto
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
GRADUAL VIBRATION SPEAKER
- Publication number 20250097618
- Publication date Mar 20, 2025
- ESTEC CORPORATION
- Jeong Wook KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker having improved sound-radiating function to both directions
- Publication number 20050271237
- Publication date Dec 8, 2005
- ESTEC CORPORATION
- In-Chan Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LED illuminating device and lighting apparatus employing the same
- Publication number 20020131275
- Publication date Sep 19, 2002
- ESTEC CO., LTD.
- Yutaka Yamamoto
- G02 - OPTICS

Trademarklast 30 trademarks