Chin-Chih Chen

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Nantou County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Polishing pad and polishing method
- Patent number 10,239,182
- Issue date Mar 26, 2019
- IV Technologies Co., Ltd.
- Yi Jian
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
POLISHING PAD AND POLISHING METHOD
- Publication number 20220023998
- Publication date Jan 27, 2022
- IV Technologies CO., Ltd.
- Chin-Chih Chen
- B24 - GRINDING POLISHING
Information Patent Application
POLISHING PAD AND POLISHING METHOD
- Publication number 20180281154
- Publication date Oct 4, 2018
- IV Technologies CO., Ltd.
- Chin-Chih Chen
- B24 - GRINDING POLISHING
Information Patent Application
POLISHING PAD AND POLISHING METHOD
- Publication number 20170355061
- Publication date Dec 14, 2017
- IV Technologies CO., Ltd.
- Yi Jian
- B24 - GRINDING POLISHING