Inventor · disambiguated record
Donald L. Johanson
Also filed as: JOHANSON DONALD · JOHANSON DONALD L
5 granted patents·1,358 citations·filing 1975–1992
88Inventor score
Top patents by PatentIndex Score
5 records- 0196US4069400AModular in-the-ear hearing aidUNITED STATES SURGICAL CORP·Filed 1977·Granted Jan 17, 1978·279 cites·6 claims
- 0295US5256157AAutomated infusion pump with replaceable memory cartridgesBAXTER INT·Filed 1992·Granted Oct 26, 1993·550 cites·9 claims
- 0394USD266271SHearing aidAUDIVOX INC·Filed 1979·Granted Sep 21, 1982·197 cites·1 claims
- 0492US3975599ADirectional/non-directional hearing aidUNITED STATES SURGICAL CORP·Filed 1975·Granted Aug 17, 1976·89 cites·8 claims
- 0587US4544369ABattery operated miniature syringe infusion pumpBARD INC C R·Filed 1983·Granted Oct 1, 1985·243 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →