Inventor · disambiguated record
Johannes F. Hoefnagels
Also filed as: HOEFNAGELS JOHANNES F
4 granted patents·12 citations·filing 1978–1995
66Inventor score
Technology areasG11B
Files withPHILIPS CORP4
Top patents by PatentIndex Score
4 records- 0155US4451862AMagnetic head mounting mechanism for automatic azimuth controlPHILIPS CORP·Filed 1982·Granted May 29, 1984·9 cites·30 claims
- 0232US4353226AAdjustable torsion-spring slipping clutchPHILIPS CORP·Filed 1980·Granted Oct 12, 1982·2 cites·9 claims
- 0325US4198665APivotable cassette holder for a magnetic tape recorder apparatusPHILIPS CORP·Filed 1978·Granted Apr 15, 1980·1 cites·4 claims
- 0422US5588607AApparatus with a drive arrangement of information carriers in the form of tapesPHILIPS CORP·Filed 1995·Granted Dec 31, 1996·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →