Inventor · disambiguated record
Leonard H. Greenberg
Also filed as: GREENBERG LEONARD · GREENBERG LEONARD H
4 granted patents·155 citations·filing 1991–1997
78Inventor score
Files withYOUNG PHILIP L1
Top patents by PatentIndex Score
4 records- 0183US5251041AMethod and apparatus for modifying a video signal to inhibit unauthorized videotape recording and subsequent reproduction thereofYOUNG PHILIP L·Filed 1991·Granted Oct 5, 1993·108 cites·37 claims
- 0262US5585929AMethod and apparatus for modifying a video signal to inhibit unauthorized videotape recording and subsequent reproduction thereofFiled 1993·Granted Dec 17, 1996·27 cites·11 claims
- 0344US6091721AApparatus for telephone communication over plural channelsFiled 1997·Granted Jul 18, 2000·18 cites·11 claims
- 0426US5589944AMethod and apparatus for generating a video signal producing an unviewable display from a videotape recording thereofFiled 1994·Granted Dec 31, 1996·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →