Individual holder
JOHNSON ALFRED D
3 granted patents·71 citations·filing 1979–1983
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0182US4435229AMethod of preparing a two-way shape memory alloyJOHNSON ALFRED D·Filed 1981·Granted Mar 6, 1984·28 cites·28 claims
- 0268US4490976ATwo-way shape memory alloy heat engineJOHNSON ALFRED D·Filed 1983·Granted Jan 1, 1985·15 cites·3 claims
- 0364US4281513AField effect memory alloy heat engineJOHNSON ALFRED D·Filed 1979·Granted Aug 4, 1981·28 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →