Chun CHOI

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Chungcheongbuk-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Vibration generating apparatus
- Patent number 11,070,121
- Issue date Jul 20, 2021
- JAHWA electronics Co., Ltd.
- Nam Jin Choi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Linear vibration generating device
- Patent number 10,381,910
- Issue date Aug 13, 2019
- JAHWA electronics Co., Ltd.
- Soon Koo Shim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Printed circuit board and vibration actuator including the same
- Patent number 9,913,364
- Issue date Mar 6, 2018
- JAHWA electronics Co., Ltd.
- Chun Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
VIBRATION GENERATION APPARATUS
- Publication number 20200321845
- Publication date Oct 8, 2020
- JAHWA ELECTRONICS CO., LTD.
- Nam Jin CHOI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LINEAR VIBRATION GENERATING DEVICE
- Publication number 20180166960
- Publication date Jun 14, 2018
- JAHWA ELECTRONICS CO., LTD.
- Soon Koo SHIM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PRINTED CIRCUIT BOARD AND VIBRATION ACTUATOR INCLUDING THE SAME
- Publication number 20180042102
- Publication date Feb 8, 2018
- JAHWA ELECTRONICS CO., LTD.
- Chun CHOI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR