Inventor · disambiguated record
Barrett E. Guisinger
Also filed as: GUISINGER BARRETT E
11 granted patents·89 citations·filing 1974–1992
90Inventor score
Top patents by PatentIndex Score
11 records- 0168US4383205AMotor drive amplifierSONY CORP·Filed 1981·Granted May 10, 1983·14 cites·10 claims
- 0266US4561028AApparatus and method for reading and writing data on a magnetic discSONY CORP·Filed 1983·Granted Dec 24, 1985·13 cites·11 claims
- 0362US4510459AWideband record amplifierSONY CORP·Filed 1982·Granted Apr 9, 1985·11 cites·5 claims
- 0455US5325246AAutomatic tracking method for helical scan magnetic tape recorder using reproduced timing signal to sample two out-of-phase reference signalsDATATAPE INC·Filed 1992·Granted Jun 28, 1994·11 cites·6 claims
- 0553US4386378AHigh gain, current mode preamplifierSONY CORP·Filed 1981·Granted May 31, 1983·8 cites·8 claims
- 0652US3934264AVideotape recorder and reproducer every line velocity compensator apparatusINT VIDEO CORP·Filed 1974·Granted Jan 20, 1976·7 cites·10 claims
- 0743US4868686AMethod and system for recording asynchronous biphase encoded data on a video tape recorder and for recovering the encoded recorded dataSONY CORP·Filed 1989·Granted Sep 19, 1989·5 cites·29 claims
- 0843US4816723AVariable speed motor control method and apparatusSONY CORP·Filed 1988·Granted Mar 28, 1989·11 cites·14 claims
- 0935US4063279ASelf-tracking injection lock voltage controlled oscillatorINT VIDEO CORP·Filed 1976·Granted Dec 13, 1977·4 cites·8 claims
- 1033US4521818AOne plus double omega squared radio frequency equalizerSONY CORP·Filed 1983·Granted Jun 4, 1985·3 cites·6 claims
- 1130US4405954ARadio frequency equalizerSONY CORP·Filed 1981·Granted Sep 20, 1983·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →