Inventor · disambiguated record
Michael J. Downs
Also filed as: DOWNS MICHAEL · DOWNS MICHAEL J · DOWNS MICHAEL JOHN
11 granted patents·904 citations·filing 1979–2013
93Inventor score
Top patents by PatentIndex Score
11 records- 0197US4576479AApparatus and method for investigation of a surfaceDOWNS MICHAEL J·Filed 1983·Granted Mar 18, 1986·166 cites·8 claims
- 0296US4571082AApparatus and method for measuring refractive indexDOWNS MICHAEL J·Filed 1983·Granted Feb 18, 1986·226 cites·8 claims
- 0395US6678056B2Jamin-type interferometers and components thereforDOWNS MICHAEL JOHN·Filed 2001·Granted Jan 13, 2004·248 cites·29 claims
- 0488US4534649ASurface profile interferometerDOWNS MICHAEL J·Filed 1982·Granted Aug 13, 1985·44 cites·10 claims
- 0573US4360271AInterferometer systemsNAT RES DEV·Filed 1979·Granted Nov 23, 1982·27 cites·7 claims
- 0672US6086381AInteractive learning systemNTN COMM INC·Filed 1997·Granted Jul 11, 2000·105 cites·17 claims
- 0767USD698266SDual compartment fluid containerDOWNS BRIGGETTE·Filed 2013·Granted Jan 28, 2014·21 cites·1 claims
- 0867US5847828AMichelson interferometer using matched wedge-shaped beam splitter and compensatorBTG INT LTD·Filed 1995·Granted Dec 8, 1998·32 cites·10 claims
- 0959US5546184ASingle-frequency bidirectional fringe-counting interferometerBRITISH TECH GROUP·Filed 1992·Granted Aug 13, 1996·19 cites·21 claims
- 1042US7072048B2Interferometric plural-dimensional displacement measuring systemINTERFEROMET LTD·Filed 2004·Granted Jul 4, 2006·2 cites·11 claims
- 1141US4898639AWafer retention deviceBJORNE ENTERPRISES INC·Filed 1989·Granted Feb 6, 1990·14 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →