Inventor · disambiguated record
Michael John Duffield
Also filed as: DUFFIELD MICHAEL JOHN
3 granted patents·59 citations·filing 2003–2016
64Inventor score
Top patents by PatentIndex Score
3 records- 0188US7259901B2Optical signal demodulatorsBOOKHAM TECHNOLOGY PLC·Filed 2003·Granted Aug 21, 2007·58 cites·16 claims
- 0238US8237366B2Output window with venting means for use with a vacuum electron deviceDUFFIELD MICHAEL JOHN·Filed 2009·Granted Aug 7, 2012·1 cites·19 claims
- 0326US10164316B2Combining arrangementTELEDYNE E2V UK LTD·Filed 2016·Granted Dec 25, 2018·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →