Inventor
CHANG LEROY L
US17 patents
⚠️ This page may combine multiple inventors who share the name “CHANG LEROY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
11 patentsUS4665415AMay 12, 1987
Semiconductor device with hole conduction via strained lattice
IBM261 citations96
US4538165AAug 27, 1985
FET With heterojunction induced channel
IBM34 citations92
US5294287AMar 15, 1994
Class of magnetic materials for solid state devices
IBM26 citations90
US4173763ANov 6, 1979
Heterojunction tunneling base transistor
IBM21 citations82
US4137542AJan 30, 1979
Semiconductor structure
IBM19 citations82
US4743951AMay 10, 1988
Field effect transistor
IBM12 citations73
US4733282AMar 22, 1988
One-dimensional quantum pipeline type carrier path semiconductor devices
IBM9 citations73
US4239584ADec 16, 1980
Molecular-beam epitaxy system and method including hydrogen treatment
IBM9 citations73
US5416337AMay 16, 1995
Hetero-superlattice PN junctions
IBM18 citations72
US5296048AMar 22, 1994
Class of magnetic materials for solid state devices
IBM10 citations71
US4568959AFeb 4, 1986
Photomultiplier
IBM5 citations62
US ARMY
5 patentsUS4558336ADec 10, 1985
MBE Growth technique for matching superlattices grown on GaAs substrates
US ARMY44 citations92
US4517047AMay 14, 1985
MBE growth technique for matching superlattices grown on GaAs substrates
US ARMY23 citations81
US4250515AFeb 10, 1981
Heterojunction superlattice with potential well depth greater than half the bandgap
US ARMY26 citations81
US4208667AJun 17, 1980
Controlled absorption in heterojunction structures
US ARMY23 citations81
US4205331AMay 27, 1980
Infrared optical devices of layered structure
US ARMY28 citations81