Inventor · disambiguated record
James E. Opfer
Also filed as: OPFER JAMES E
9 granted patents·371 citations·filing 1974–1987
91Inventor score
Top patents by PatentIndex Score
9 records- 0184US4663009ASystem and method for depositing plural thin film layers on a substrateHEWLETT PACKARD CO·Filed 1985·Granted May 5, 1987·76 cites·15 claims
- 0283US4790921APlanetary substrate carrier method and apparatusHEWLETT PACKARD CO·Filed 1986·Granted Dec 13, 1988·56 cites·6 claims
- 0380US4610911AThin film magnetic recording mediaHEWLETT PACKARD CO·Filed 1983·Granted Sep 9, 1986·37 cites·17 claims
- 0477US4834855AMethod for sputter depositing thin filmsHEWLETT PACKARD CO·Filed 1987·Granted May 30, 1989·36 cites·4 claims
- 0577US4626336ATarget for sputter depositing thin filmsHEWLETT PACKARD CO·Filed 1985·Granted Dec 2, 1986·36 cites·2 claims
- 0675US4631202AThin film magnetic recording filmHEWLETT PACKARD CO·Filed 1986·Granted Dec 23, 1986·20 cites·30 claims
- 0770US4079730AApparatus for measuring externally of the human body magnetic susceptibility changesUNIV LELAND STANFORD JUNIOR·Filed 1976·Granted Mar 21, 1978·55 cites·6 claims
- 0865US3980076AMethod for measuring externally of the human body magnetic susceptibility changesUNIV LELAND STANFORD JUNIOR·Filed 1974·Granted Sep 14, 1976·50 cites·14 claims
- 0934US4221834ASuperconductive magnetic shield and method of making sameDEVELCO·Filed 1975·Granted Sep 9, 1980·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →