Inventor · disambiguated record
Alan E. Bell
Also filed as: BARTOLINI ROBERT A · BELL ALAN · BELL ALAN E · BELL ALAN EDWARD
33 granted patents·1 pending application·1,401 citations·filing 1976–2008
98Inventor score
Top patents by PatentIndex Score
34 records- 0199US4958378AMethod and apparatus for detecting changes in raster dataSUN MICROSYSTEMS INC·Filed 1989·Granted Sep 18, 1990·475 cites·32 claims
- 0298US4101907AOvercoat structure for optical video discRCA CORP·Filed 1977·Granted Jul 18, 1978·77 cites·10 claims
- 0397US4285056AReplicable optical recording mediumRCA CORP·Filed 1979·Granted Aug 18, 1981·62 cites·21 claims
- 0496US4216501AOptical anti-reflective information recordRCA CORP·Filed 1978·Granted Aug 5, 1980·55 cites·12 claims
- 0594US4669070ASignal format for optical tape record/playback systemRCA CORP·Filed 1979·Granted May 26, 1987·45 cites·6 claims
- 0693US4222071ASensitivity information recordRCA CORP·Filed 1978·Granted Sep 9, 1980·41 cites·12 claims
- 0793US4023185AAblative optical recording mediumRCA CORP·Filed 1976·Granted May 10, 1977·68 cites·13 claims
- 0892US4300143AThin protective overcoat layer for optical video discRCA CORP·Filed 1979·Granted Nov 10, 1981·36 cites·8 claims
- 0992US4300227AReplicable optical recording mediumRCA CORP·Filed 1979·Granted Nov 10, 1981·38 cites·25 claims
- 1090US6832319B1Content guard system for copy protection of recordable mediaIBM·Filed 1999·Granted Dec 14, 2004·153 cites·32 claims
- 1189US4315269AThick protective overcoat layer for optical video discRCA CORP·Filed 1977·Granted Feb 9, 1982·33 cites·10 claims
- 1287US7380137B2Content guard system for copy protection of recordable mediaIBM·Filed 2004·Granted May 27, 2008·20 cites·6 claims
- 1386US7417713B2Optical disc with a theft deterrent coatingWARNER BROS ENTERTAINMENT INC·Filed 2006·Granted Aug 26, 2008·6 cites·28 claims
- 1485US4195312ARecorder and antireflective record blank having an optically passive transparent layerRCA CORP·Filed 1978·Granted Mar 25, 1980·25 cites·3 claims
- 1584US4794560AEraseable self biasing thermal magneto-optic mediumIBM·Filed 1985·Granted Dec 27, 1988·36 cites·18 claims
- 1684US4425570AReversible recording medium and information recordRCA CORP·Filed 1981·Granted Jan 10, 1984·27 cites·13 claims
- 1783US4195313AAntireflective information record having an optically passive transparent layerRCA CORP·Filed 1978·Granted Mar 25, 1980·22 cites·4 claims
- 1878US4661941AOptical video or data tape record and playback apparatusRCA CORP·Filed 1979·Granted Apr 28, 1987·23 cites·8 claims
- 1974US4233626APlayback information record using phase cancellation for readingRCA CORP·Filed 1979·Granted Nov 11, 1980·15 cites·6 claims
- 2073US4387381AOptical recording medium and information record with tracking aidRCA CORP·Filed 1981·Granted Jun 7, 1983·15 cites·12 claims
- 2172US7158800B2Method and system for limiting content diffusion to local receiversWARNER BROS ENTERTAINMENT INC·Filed 2004·Granted Jan 2, 2007·11 cites·23 claims
- 2272US4408213AReinforced bubble recording medium and information recordRCA CORP·Filed 1981·Granted Oct 4, 1983·15 cites·13 claims
- 2371US4270132AInformation recordRCA CORP·Filed 1979·Granted May 26, 1981·14 cites·7 claims
- 2470US4126150APhotovoltaic device having increased absorption efficiencyRCA CORP·Filed 1977·Granted Nov 21, 1978·30 cites·17 claims
- 2564US4329697AInformation recordRCA CORP·Filed 1979·Granted May 11, 1982·18 cites·13 claims
- 2662US7770030B2Content guard system for copy protection of recordable mediaIBM·Filed 2008·Granted Aug 3, 2010·0 cites·7 claims
- 2760US7082413B2System and method for authorized compression of digitized musicIBM·Filed 1999·Granted Jul 25, 2006·13 cites·13 claims
- 2859US4189735ARecord playback apparatus and information record thereforRCA CORP·Filed 1978·Granted Feb 19, 1980·10 cites·12 claims
- 2958US8218813B2Method for double feed detectionBELL ALAN·Filed 2005·Granted Jul 10, 2012·2 cites·8 claims
- 3054US8830806B2Optical disc with a theft deterrent coatingSMITH WAYNE M·Filed 2008·Granted Sep 9, 2014·0 cites·22 claims
- 3149US7308430B2Methods and apparatus for uniquely identifying a large number of film printsWARNER BROS ENTERTAINMENT INC·Filed 2002·Granted Dec 11, 2007·4 cites·20 claims
- 3248US7533027B2Methods and apparatus for uniquely identifying a large number of film printsWARNER BROS ENTERTAINMENT INC·Filed 2002·Granted May 12, 2009·2 cites·21 claims
- 3338US2006179448A1Multilayer dual optical diskSMITH WAYNE M·Filed 2005·Application pending·0 cites
- 3436US5261054ASystem for storing a history of sampled pointer signals when a pointer interrupt routine is interrupted by a higher priority interruptSUN MICROSYSTEMS INC·Filed 1991·Granted Nov 9, 1993·10 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →