Leroy L. Chang

Person

Goldens Bridge, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hetero-superlattice PN junctions
- Patent number 5,416,337
- Issue date May 16, 1995
- International Business Machines Corporation
- Leroy L. Chang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Class of magnetic materials for solid state devices
- Patent number 5,296,048
- Issue date Mar 22, 1994
- International Business Machines Corporation
- Leroy L. Chang
- C30 - CRYSTAL GROWTH
Information Patent Grant
Class of magnetic materials for solid state devices
- Patent number 5,294,287
- Issue date Mar 15, 1994
- International Business Machines Corporation
- Leroy L. Chang
- C30 - CRYSTAL GROWTH
Information Patent Grant
Field effect transistor
- Patent number 4,743,951
- Issue date May 10, 1988
- International Business Machines Corporation
- Chin-An Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
One-dimensional quantum pipeline type carrier path semiconductor de...
- Patent number 4,733,282
- Issue date Mar 22, 1988
- International Business Machines Corporation
- Leroy L. Chang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device with hole conduction via strained lattice
- Patent number 4,665,415
- Issue date May 12, 1987
- International Business Machines Corporation
- Leo Esaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photomultiplier
- Patent number 4,568,959
- Issue date Feb 4, 1986
- International Business Machines Corporation
- Leroy L. Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MBE Growth technique for matching superlattices grown on GaAs subst...
- Patent number 4,558,336
- Issue date Dec 10, 1985
- The United States of America as represented by the Secretary of the Army
- Chin-An Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
FET With heterojunction induced channel
- Patent number 4,538,165
- Issue date Aug 27, 1985
- International Business Machines Corporation
- Chin-An Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MBE growth technique for matching superlattices grown on GaAs subst...
- Patent number 4,517,047
- Issue date May 14, 1985
- The United States of America as represented by the Secretary of the Army
- Chin-An Chang
- C30 - CRYSTAL GROWTH
Information Patent Grant
Superlattice ultrasonic wave generator
- Patent number 4,469,977
- Issue date Sep 4, 1984
- The United States of America as represented by the Secretary of the Navy
- John J. Quinn
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Heterojunction superlattice with potential well depth greater than...
- Patent number 4,250,515
- Issue date Feb 10, 1981
- The United States of America as represented by the Secretary of the Army
- Leo Esaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Molecular-beam epitaxy system and method including hydrogen treatment
- Patent number 4,239,584
- Issue date Dec 16, 1980
- International Business Machines Corporation
- Chin-An Chang
- C30 - CRYSTAL GROWTH
Information Patent Grant
Controlled absorption in heterojunction structures
- Patent number 4,208,667
- Issue date Jun 17, 1980
- The United States of America as represented by the Secretary of the Army
- Leroy L. Chang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Infrared optical devices of layered structure
- Patent number 4,205,331
- Issue date May 27, 1980
- The United States of America as represented by the Secretary of the Army
- Leo Esaki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Heterojunction tunneling base transistor
- Patent number 4,173,763
- Issue date Nov 6, 1979
- International Business Machines Corporation
- Leroy L. Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor structure
- Patent number 4,137,542
- Issue date Jan 30, 1979
- International Business Machines Corporation
- Leroy L. Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory devices
- Patent number 4,103,312
- Issue date Jul 25, 1978
- International Business Machines Corporation
- Leroy Ligong Chang
- B82 - NANO-TECHNOLOGY

Leroy L. Chang

Person

Patents Grantslast 30 patents

Hetero-superlattice PN junctions

Class of magnetic materials for solid state devices

Class of magnetic materials for solid state devices

Field effect transistor

One-dimensional quantum pipeline type carrier path semiconductor de...

Semiconductor device with hole conduction via strained lattice

Photomultiplier

MBE Growth technique for matching superlattices grown on GaAs subst...

FET With heterojunction induced channel

MBE growth technique for matching superlattices grown on GaAs subst...

Superlattice ultrasonic wave generator

Heterojunction superlattice with potential well depth greater than...

Molecular-beam epitaxy system and method including hydrogen treatment

Controlled absorption in heterojunction structures

Infrared optical devices of layered structure

Heterojunction tunneling base transistor

Semiconductor structure

Semiconductor memory devices