Tyzh-Chiang Sun

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Danville, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for making hollow workpieces
- Patent number 6,044,676
- Issue date Apr 4, 2000
- Alcoa Inc.
- Tyzh-Chiang Sun
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for making can end and tab stock
- Patent number 6,045,632
- Issue date Apr 4, 2000
- Alcoa, Inc.
- Tyzh-Chiang Sun
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for making hollow workpieces
- Patent number 5,862,582
- Issue date Jan 26, 1999
- Kaiser Aluminum & Chemical Corporation
- Tyzh-Chiang Sun
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for making can end and tab stock
- Patent number 5,772,799
- Issue date Jun 30, 1998
- Kaiser Aluminum & Chemical Corporation
- Tyzh-Chiang Sun
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for making can end and tab stock
- Patent number 5,769,972
- Issue date Jun 23, 1998
- Kaiser Aluminum & Chemical Corporation
- Tyzh-Chiang Sun
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for making hollow workpieces
- Patent number 5,742,993
- Issue date Apr 28, 1998
- Kaiser Aluminum & Chemical Corporation
- Tyzh-Chiang Sun
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MAKING CAN END TAB STOCK
- Publication number 20010003292
- Publication date Jun 14, 2001
- T. C. Sun
- TYZH-CHIANG SUN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...