Inventor · disambiguated record
Derek J. Day
Also filed as: DAY DEREK J
5 granted patents·69 citations·filing 1978–1996
79Inventor score
Top patents by PatentIndex Score
5 records- 0170US4231052AApparatus for parallel-in to serial-out conversionSECR DEFENCE BRIT·Filed 1978·Granted Oct 28, 1980·36 cites·10 claims
- 0256US5012301AThree terminal semiconductor deviceNORTHERN TELECOM LTD·Filed 1990·Granted Apr 30, 1991·20 cites·8 claims
- 0342US5594252AThree terminal ion chambersVARIAN ASSOCIATES·Filed 1995·Granted Jan 14, 1997·9 cites·15 claims
- 0429US5631470ALiquid ion chamber electrode apparatusVARIAN ASSOCIATES·Filed 1996·Granted May 20, 1997·3 cites·22 claims
- 0528US4950924AHigh speed noise immune bipolar logic familyNORTHERN TELECOM LTD·Filed 1989·Granted Aug 21, 1990·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →