Hongju Chang

Follow

Person

Wayne, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tantalum metal power with controlled size distribution and products...
- Patent number 5,986,877
- Issue date Nov 16, 1999
- Cabot Corporation
- Viren M. Pathare
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making tantalum metal powder with controlled size distrib...
- Patent number 5,954,856
- Issue date Sep 21, 1999
- Cabot Corporation
- Viren M. Pathare
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for making an improved tantalum powder and high capacitance...
- Patent number 5,448,447
- Issue date Sep 5, 1995
- Cabot Corporation
- Hongju Chang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...