Inventor · disambiguated record
William Johnson
Also filed as: JOHNSON WILLIAM · JOHNSON WILLIAM Z
4 granted patents·43 citations·filing 1985–2009
74Inventor score
Top patents by PatentIndex Score
4 records- 0179US8441737B2Variable focus lens and spectaclesBUCH JUSTIN·Filed 2009·Granted May 14, 2013·19 cites·15 claims
- 0255US4647872ACascode amplifierJOHNSON WILLIAM Z·Filed 1985·Granted Mar 3, 1987·14 cites·7 claims
- 0345US5266905AAudio amplifier with amplified feedbackAUDIO RESEARCH CORP·Filed 1992·Granted Nov 30, 1993·10 cites·2 claims
- 0440US8446677B2Valve device for a variable focus lensSTOREY GREGOR·Filed 2009·Granted May 21, 2013·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →