Chin-hsiang Chang

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Chilung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Fabrication method of discharge lamp
- Patent number 7,946,900
- Issue date May 24, 2011
- Wellypower Optronics Corporation
- Tjong-Ren Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for transferring wafers in a semiconductor tape-peeling appa...
- Patent number 6,336,787
- Issue date Jan 8, 2002
- Mosel Vitelic, Inc.
- Chin-hsiang Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chemical mechanical polishing method with in-line thickness detection
- Patent number 6,117,780
- Issue date Sep 12, 2000
- Mosel Vitelic Inc.
- Kuei-Chang Tsai
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Medical Sterilization Bag
- Publication number 20120294553
- Publication date Nov 22, 2012
- SIGMA MEDICAL SUPPLIES CORP.
- Chin-Tsung Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LED LAMP AND MANUFACTURING METHOD THEREOF
- Publication number 20120228652
- Publication date Sep 13, 2012
- WELLYPOWER OPTRONICS CORPORATION
- Tjong-Ren CHANG
- F21 - LIGHTING
Information Patent Application
LAMP CONNECTION DEVICE
- Publication number 20120190253
- Publication date Jul 26, 2012
- Tjong-Ren CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUBE BENDING APPARATUS
- Publication number 20110283741
- Publication date Nov 24, 2011
- Tjong-Ren Chang
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
LAMP DEVICE
- Publication number 20100314999
- Publication date Dec 16, 2010
- WELLYPOWER OPTRONICS CORPORATION
- Jin-Yuh Lu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FABRICATION METHOD OF DISCHARGE LAMP
- Publication number 20100029166
- Publication date Feb 4, 2010
- WELLYPOWER OPTRONICS CORPORATION
- Tjong-Ren Chang
- H01 - BASIC ELECTRIC ELEMENTS