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Shenzhen, CN
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last 30 patents
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Patent Grant
Method for implementing high-precision backdrilling stub length con...
Patent number
9,827,616
Issue date
Nov 28, 2017
Huawei Technologies Co., Ltd.
Yongxing Yang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Printed circuit board, and method and apparatus for drilling printe...
Patent number
9,426,902
Issue date
Aug 23, 2016
Huawei Technologies Co., Ltd.
Shandang Liu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Method for Implementing High-Precision Backdrilling Stub Length Con...
Publication number
20150078848
Publication date
Mar 19, 2015
Huawei Technologies Co., Ltd.
Yongxing Yang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PRINTED CIRCUIT BOARD, AND METHOD AND APPARATUS FOR DRILLING PRINTE...
Publication number
20140093321
Publication date
Apr 3, 2014
Huawei Technologies Co., Ltd
Shandang Liu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR