Inventor · disambiguated record
James K. Berger
Also filed as: BERGER JAMES K
8 granted patents·204 citations·filing 1977–1992
89Inventor score
Files withPIONEER RESEARCH INC3BERGER JAMES K1METHODE OF CALIFORNIA1PIONEER MAGNETICS1PIONEER MAGNETICS INC1
Top patents by PatentIndex Score
8 records- 0194US4531167AServowriter system for magnetic disc drivesPIONEER RESEARCH INC·Filed 1983·Granted Jul 23, 1985·58 cites·27 claims
- 0279US4348761APortable field test unit for computer data and program storage disc drivePIONEER RESEARCH INC·Filed 1980·Granted Sep 7, 1982·56 cites·10 claims
- 0359US4477849AMagnetic disc drive head alignment systemPIONEER MAGNETICS INC·Filed 1982·Granted Oct 16, 1984·11 cites·6 claims
- 0459US4131920AClosed-clock writing system for a rotating magnetic memoryPIONEER MAGNETICS·Filed 1977·Granted Dec 26, 1978·11 cites·6 claims
- 0555US4704551ALow voltage/high voltage field effect transistor (FET) switching circuit for printed circuit board testerMETHODE OF CALIFORNIA·Filed 1986·Granted Nov 3, 1987·13 cites·3 claims
- 0651US5361346APortable tester (qualifier) for evaluating and testing SCSI interface magnetic disc drives in accordance with ANSI SCSI-A and SCSI-2 definitionsSANTA MONICA PIONEER RESEARCH·Filed 1992·Granted Nov 1, 1994·36 cites·9 claims
- 0748US4584619AProgrammable servo pattern generatorPIONEER RESEARCH INC·Filed 1984·Granted Apr 22, 1986·6 cites·23 claims
- 0842US5126953APrinted circuit board assembly testerBERGER JAMES K·Filed 1991·Granted Jun 30, 1992·13 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →