Inventor

CHANG JAMES C

US9 patents

⚠️ This page may combine multiple inventors who share the name “CHANG JAMES C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PETROLITE CORP

2 patents

US5110874AMay 5, 1992

Methods and compositions for reduction of drag in hydrocarbon fluids

PETROLITE CORP29 citations92

US4983186AJan 8, 1991

Methods and compositions for reduction of drag in hydrocarbon fluids

PETROLITE CORP43 citations92

CASCHEM INC

1 patent

US5688601ANov 18, 1997

Exterior protective layer for an electrical component

CASCHEM INC19 citations90

UNIV NORTHERN IOWA FOUNDATION

1 patent

US4490543ADec 25, 1984

Low toxicity radiation sensitizer

UNIV NORTHERN IOWA FOUNDATION38 citations89

AUTODESK INC

1 patent

US5619636AApr 8, 1997

Multimedia publishing system

AUTODESK INC75 citations88

CREST MICROSYSTEMS

1 patent

US6959015B1Oct 25, 2005

Method and apparatus for aligning multiple data streams and matching transmission rates of multiple data channels

CREST MICROSYSTEMS33 citations87

(unassigned)

1 patent

US6338592B1Jan 15, 2002

Article connector

11 citations72

UNIV NORTHERN IOWA FOUNDATIONS

1 patent

US4569932AFeb 11, 1986

Low toxicity radiation sensitizer

UNIV NORTHERN IOWA FOUNDATIONS7 citations66

CASHEM INC

1 patent

US5736190AApr 7, 1998

Exterior protective layer for an electrical component

CASHEM INC4 citations55