P
PatentIndex
Search
Landscape
Sign in
Inventor
YANG YUE-FEI
US
2 patents
⚠️ This page may combine multiple inventors who share the name “YANG YUE-FEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
(unassigned)
1 patent
US5859447A
Jan 12, 1999
Heterojunction bipolar transistor having heterostructure ballasting emitter
56 citations
91
UNIV COLUMBIA
1 patent
US5981985A
Nov 9, 1999
Heterojunction bipolar transistor with buried selective sub-collector layer, and methods of manufacture
UNIV COLUMBIA
8 citations
70