Inventor · disambiguated record
David M. Oldham
Also filed as: OLDHAM DAVID M
5 granted patents·34 citations·filing 1986–1990
77Inventor score
Technology areasG11B
Files withIBM5
Top patents by PatentIndex Score
5 records- 0158US4941139AChecking media operations and recording during optical recordingIBM·Filed 1988·Granted Jul 10, 1990·11 cites·6 claims
- 0254US5018126AChecking media operations and recording during optical recordingIBM·Filed 1990·Granted May 21, 1991·10 cites·5 claims
- 0347US4789972ASelectively controlling the erasure in a magneto-optic recording mediumIBM·Filed 1986·Granted Dec 6, 1988·8 cites·15 claims
- 0435US4916680AMagnetooptic recording member having selectively-reversed erasure directions in predetermined recording areas of the record memberIBM·Filed 1988·Granted Apr 10, 1990·4 cites·7 claims
- 0527US4937800AMethod of recording using selective-erasure directions for magnetooptic record membersIBM·Filed 1988·Granted Jun 26, 1990·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →