Inventor · disambiguated record
Rollin J. Parker
Also filed as: PARKER ROLLIN J · PARKER ROLLIN JAMES
3 granted patents·118 citations·filing 1974–1984
76Inventor score
Top patents by PatentIndex Score
3 records- 0183US4583027AMoving magnet linear motorHITACHI METALS INT·Filed 1984·Granted Apr 15, 1986·57 cites·9 claims
- 0282US3937904AMoving magnet electroacoustic transducerHITACHI MAGNETICS CORP·Filed 1974·Granted Feb 10, 1976·33 cites·6 claims
- 0369US4481437AVariable flux permanent magnets electromagnetic machineHITACHI METALS INT·Filed 1983·Granted Nov 6, 1984·28 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →