John H. Lewis

Person

Los Angeles, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Low light level and infrared viewing system
- Patent number 4,147,932
- Issue date Apr 3, 1979
- Xonics, Inc.
- John H. Lewis
- G02 - OPTICS
Information Patent Grant
Image charge relaxation in electrophoretic displays
- Patent number 4,104,520
- Issue date Aug 1, 1978
- Xonics, Inc.
- John H. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
X-ray system with electrophoretic imaging and solid X-ray absorber
- Patent number 4,079,255
- Issue date Mar 14, 1978
- Xonics, Inc.
- Keith A. Brueckner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Axial tomography
- Patent number 4,072,289
- Issue date Feb 7, 1978
- Xonics, Inc.
- Keith A. Brueckner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Imaging systems with fluorescent and phosphorescent toner
- Patent number 4,070,577
- Issue date Jan 24, 1978
- Xonics, Inc.
- John H. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for improving contrast in electrophoretic display
- Patent number 4,053,768
- Issue date Oct 11, 1977
- Xonics, Inc.
- John H. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
X-ray system with electrophoretic imaging
- Patent number 3,965,352
- Issue date Jun 22, 1976
- Xonics, Inc.
- Frank V. Allan
- G02 - OPTICS
Information Patent Grant
Method and apparatus for reducing the density of background areas w...
- Patent number 3,949,222
- Issue date Apr 6, 1976
- Xonics, Inc.
- John H. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

John H. Lewis

Person

Patents Grantslast 30 patents

Low light level and infrared viewing system

Image charge relaxation in electrophoretic displays

X-ray system with electrophoretic imaging and solid X-ray absorber

Axial tomography

Imaging systems with fluorescent and phosphorescent toner

Method and apparatus for improving contrast in electrophoretic display

X-ray system with electrophoretic imaging

Method and apparatus for reducing the density of background areas w...