Chao Yi Tsai

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Kaohsiung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Polishing material having polishing particles and method for making...
- Patent number 8,485,869
- Issue date Jul 16, 2013
- San Fang Chemical Industry Co., Ltd.
- Chung-Chih Feng
- B24 - GRINDING POLISHING
Information Patent Grant
Brightness enhancement film
- Patent number 7,842,380
- Issue date Nov 30, 2010
- Eternal Chemical Co., Ltd.
- Shih-Yi Chuang
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polishing material having polishing particles and method for making...
- Patent number 7,824,249
- Issue date Nov 2, 2010
- San Fang Chemical Industry Co., Ltd.
- Chung-Chih Feng
- B24 - GRINDING POLISHING
Information Patent Grant
Brightness enhancement film
- Patent number 7,740,945
- Issue date Jun 22, 2010
- Eternal Chemical Co., Ltd.
- Shih Yi Chuang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
POLISHING MATERIAL HAVING POLISHING PARTICLES AND METHOD FOR MAKING...
- Publication number 20110011007
- Publication date Jan 20, 2011
- SAN FANG CHEMICAL INDUSTRY CO., LTD.
- Chung-Chih Feng
- B24 - GRINDING POLISHING
Information Patent Application
Polishing material having polishing particles and method for making...
- Publication number 20080188168
- Publication date Aug 7, 2008
- San Fang Chemical Industry Co., Ltd.
- Chung-Chih Feng
- B24 - GRINDING POLISHING
Information Patent Application
Polishing pad having hollow fibers and the method for making the same
- Publication number 20080064310
- Publication date Mar 13, 2008
- Chung-Chih Feng
- B24 - GRINDING POLISHING
Information Patent Application
Brightness enhancement film
- Publication number 20070254146
- Publication date Nov 1, 2007
- Eternal Chemical Co., Ltd.
- Shih-Yi Chuang
- G02 - OPTICS
Information Patent Application
Optical sheet
- Publication number 20070128413
- Publication date Jun 7, 2007
- Eternal Chemical Co., Ltd.
- Shih-Yi Chuang
- G02 - OPTICS
Information Patent Application
Optical sheet
- Publication number 20070126074
- Publication date Jun 7, 2007
- Eternal Chemical Co., Ltd.
- Shih-Yi Chuang
- G02 - OPTICS
Information Patent Application
Brightness enhancement film
- Publication number 20070082218
- Publication date Apr 12, 2007
- ETERNAL CHEMICAL CO., LTD.
- Shih-Yi Chuang
- G02 - OPTICS