Inventor · disambiguated record
Alan R. Johnston
Also filed as: JOHNSTON ALAN · JOHNSTON ALAN R
3 granted patents·1 pending application·122 citations·filing 1981–2002
75Inventor score
Top patents by PatentIndex Score
4 records- 0188US4479053AFocal plane array optical proximity sensorNASA·Filed 1981·Granted Oct 23, 1984·66 cites·13 claims
- 0282US6955170B1Automated respirator fit testing method and system3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Oct 18, 2005·48 cites·39 claims
- 0342US4884243AMulti-port, optically addressed RAMCALIFORNIA INST OF TECHN·Filed 1988·Granted Nov 28, 1989·8 cites·31 claims
- 0433US2004027732A1GMR spin valve sensor with ion implanted areasFiled 2002·Application pending·0 cites
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