Inventor · disambiguated record
John C. Dunfield
Also filed as: DUNFIELD JOHN C · DUNFIELD JOHN C G
12 granted patents·367 citations·filing 1980–2012
92Inventor score
Top patents by PatentIndex Score
12 records- 0197US6525310B2Frequency tunable resonant scannerMICROVISION INC·Filed 2001·Granted Feb 25, 2003·109 cites·7 claims
- 0294US6331909B1Frequency tunable resonant scannerMICROVISION INC·Filed 1999·Granted Dec 18, 2001·139 cites·15 claims
- 0392US6803561B2Frequency tunable resonant scannerMICROVISION INC·Filed 2002·Granted Oct 12, 2004·45 cites·6 claims
- 0479US9222867B2Resonant micromachined biochemical sensorNORLING BRIAN L·Filed 2012·Granted Dec 29, 2015·5 cites·23 claims
- 0565US4538930AAdaptive print hammer damperXEROX CORP·Filed 1984·Granted Sep 3, 1985·13 cites·2 claims
- 0664US4668112AQuiet impact printerXEROX CORP·Filed 1985·Granted May 26, 1987·13 cites·20 claims
- 0760US4678355APrint tip contact sensor for quiet impact printerXEROX CORP·Filed 1985·Granted Jul 7, 1987·11 cites·4 claims
- 0848US4329634AMotion sensing apparatusXEROX CORP·Filed 1980·Granted May 11, 1982·9 cites·10 claims
- 0946US4737043AImpact mechanism for quiet impact printerXEROX CORP·Filed 1986·Granted Apr 12, 1988·6 cites·9 claims
- 1038US4369402AMotion damping apparatusXEROX CORP·Filed 1980·Granted Jan 18, 1983·7 cites·13 claims
- 1134US4328453AMotion sensing apparatusXEROX CORP·Filed 1980·Granted May 4, 1982·6 cites·8 claims
- 1233US4329633AMotion damping apparatusXEROX CORP·Filed 1980·Granted May 11, 1982·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →