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Taoyuan, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Lamp device and operating method thereof
Patent number
12,152,764
Issue date
Nov 26, 2024
QISDA Corporation
Li-Chuan Lin
F21 - LIGHTING
Information
Patent Grant
High-speed ball bearing and ball retainer
Patent number
10,378,583
Issue date
Aug 13, 2019
TUNG PEI INDUSTRIAL CO., LTD.
Li-Chuan Lin
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
LAMP DEVICE AND OPERATING METHOD THEREOF
Publication number
20240377050
Publication date
Nov 14, 2024
Qisda Corporation
Li-Chuan LIN
F21 - LIGHTING
Information
Patent Application
HIGH-SPEED BALL BEARING AND BALL RETAINER
Publication number
20190264744
Publication date
Aug 29, 2019
TUNG PEI INDUSTRIAL CO.,LTD.
LI-CHUAN LIN
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...