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Zhaowei CHAI
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Shanghai, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Power supply device and high-power illumination system
Patent number
11,662,087
Issue date
May 30, 2023
Delta Electronics (Shanghai) Co., Ltd.
Zhaowei Chai
F21 - LIGHTING
Information
Patent Grant
Light module and method of manufacturing the same
Patent number
11,193,639
Issue date
Dec 7, 2021
Delta Electronics (Shanghai) Co., Ltd.
Zhaowei Chai
F21 - LIGHTING
Information
Patent Grant
Light module and method of manufacturing the same
Patent number
10,935,197
Issue date
Mar 2, 2021
Delta Electronics (Shanghai) Co., Ltd.
Zhaowei Chai
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
POWER SUPPLY DEVICE AND HIGH-POWER ILLUMINATION SYSTEM
Publication number
20230019083
Publication date
Jan 19, 2023
DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Zhaowei CHAI
F21 - LIGHTING
Information
Patent Application
LIGHT MODULE AND METHOD OF MANUFACTURING THE SAME
Publication number
20210148530
Publication date
May 20, 2021
DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Zhaowei CHAI
F21 - LIGHTING
Information
Patent Application
LIGHT MODULE AND METHOD OF MANUFACTURING THE SAME
Publication number
20200318802
Publication date
Oct 8, 2020
DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Zhaowei CHAI
F21 - LIGHTING