James K. Berger

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Malibu, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Printed circuit board assembly tester
- Patent number 5,126,953
- Issue date Jun 30, 1992
- James K. Berger
- G01 - MEASURING TESTING
Information Patent Grant
Low voltage/high voltage field effect transistor (FET) switching ci...
- Patent number 4,704,551
- Issue date Nov 3, 1987
- Methode of California
- James K. Berger
- G01 - MEASURING TESTING
Information Patent Grant
Programmable servo pattern generator
- Patent number 4,584,619
- Issue date Apr 22, 1986
- Pioneer Research, Inc.
- Daniel L. Nay
- G11 - INFORMATION STORAGE
Information Patent Grant
Servowriter system for magnetic disc drives
- Patent number 4,531,167
- Issue date Jul 23, 1985
- Pioneer Research, Inc.
- James K. Berger
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc drive head alignment system
- Patent number 4,477,849
- Issue date Oct 16, 1984
- Pioneer Magnetics, Inc.
- James K. Berger
- G11 - INFORMATION STORAGE
Information Patent Grant
Portable field test unit for computer data and program storage disc...
- Patent number 4,348,761
- Issue date Sep 7, 1982
- Pioneer Research, Inc.
- James K. Berger
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Closed-clock writing system for a rotating magnetic memory
- Patent number 4,131,920
- Issue date Dec 26, 1978
- Pioneer Magnetics
- James K. Berger
- G11 - INFORMATION STORAGE