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Patents Grants
last 30 patents
Information
Patent Grant
Polishing pad and method for making the same
Patent number
9,884,400
Issue date
Feb 6, 2018
San Fang Chemical Industry Co., Ltd.
Chung-Chih Feng
B24 - GRINDING POLISHING
Information
Patent Grant
Sheet for mounting a workpiece and method for making the same
Patent number
9,044,840
Issue date
Jun 2, 2015
San Fang Chemical Industry Co., Ltd.
Chung-Chih Feng
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
POLISHING PAD, METHOD FOR MANUFACTURING POLISHING PAD AND POLISHING...
Publication number
20230226661
Publication date
Jul 20, 2023
BESTAC ADVANCED MATERIAL CO., LTD.
I-PENG YAO
B24 - GRINDING POLISHING
Information
Patent Application
MOUNTING SHEET, POLISHING APPARATUS, AND METHOD FOR MAKING THE SAME
Publication number
20170239783
Publication date
Aug 24, 2017
SAN FANG CHEMICAL INDUSTRY CO., LTD.
CHUNG-CHIH FENG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
BACK PAD CAPABLE OF COLOR RENDERING END-OF-LIFE AND MANUFACTURING M...
Publication number
20170203407
Publication date
Jul 20, 2017
SAN FANG CHEMICAL INDUSTRY CO., LTD.
CHUNG-CHIH FENG
B24 - GRINDING POLISHING
Information
Patent Application
POLISHING PAD AND METHOD FOR MAKING THE SAME
Publication number
20160199961
Publication date
Jul 14, 2016
CHUNG-CHIH FENG
B24 - GRINDING POLISHING
Information
Patent Application
MOUNTING SHEET, POLISHING APPARATUS, AND METHOD FOR MAKING THE SAME
Publication number
20140090774
Publication date
Apr 3, 2014
SAN FANG CHEMICAL INDUSTRY CO., LTD.
CHUNG-CHIH FENG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SHEET FOR MOUNTING A WORKPIECE AND METHOD FOR MAKING THE SAME
Publication number
20120094584
Publication date
Apr 19, 2012
SAN FANG CHEMICAL INDUSTRY CO., LTD.
CHUNG-CHIH FENG
B24 - GRINDING POLISHING