Hao-Yen LIAO

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Tool unit applied to ultrasonic machining
- Patent number 9,789,580
- Issue date Oct 17, 2017
- Chen-Chia Chou
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Ultrasonic micron precision molding apparatus
- Patent number 9,671,774
- Issue date Jun 6, 2017
- Chen-Chia Chou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Stamper forming method
- Patent number 6,793,780
- Issue date Sep 21, 2004
- Prodisc Technology Inc.
- Kuo-Hsin Teng
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ULTRASONIC MICRON PRECISION MOLDING APPARATUS
- Publication number 20160052066
- Publication date Feb 25, 2016
- Chen-Chia CHOU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
TOOL UNIT APPLIED TO ULTRASONIC MACHINING
- Publication number 20160052098
- Publication date Feb 25, 2016
- Chen-Chia CHOU
- B24 - GRINDING POLISHING
Information Patent Application
Stamper forming method
- Publication number 20040055872
- Publication date Mar 25, 2004
- Kuo-Hsin Teng
- G11 - INFORMATION STORAGE