Assignee
ZHONGAO HUICHENG TECH CO LTD
CN·3 granted patents·0 citations·filing 2014–2015
Top patents by PatentIndex Score
3 records- 0154US10233537B2Artificial joint cup, magnetic control sputtering coating film device and preparation method thereofZHONGAO HUICHENG TECH CO LTD·Filed 2014·Granted Mar 19, 2019·0 cites·27 claims
- 0248US9799498B2Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereofZHONGAO HUICHENG TECH CO LTD·Filed 2015·Granted Oct 24, 2017·0 cites·10 claims
- 0348US9657390B2Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereofZHONGAO HUICHENG TECH CO LTD·Filed 2015·Granted May 23, 2017·0 cites·13 claims
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