Inventor · disambiguated record
Derek Lewis
Also filed as: LEWIS DEREK · LEWIS DEREK C
5 granted patents·2 pending applications·15 citations·filing 1979–2024
71Inventor score
Top patents by PatentIndex Score
7 records- 0168USD956987SElectrical stimulation deviceCHECKPOINT SURGICAL INC·Filed 2021·Granted Jul 5, 2022·6 cites·1 claims
- 0253US4325931AMethod of producing ammoniaLEWIS DEREK C·Filed 1979·Granted Apr 20, 1982·9 cites·16 claims
- 0352US12232944B2Chitosan tubular member and method of producingCHECKPOINT SURGICAL INC·Filed 2023·Granted Feb 25, 2025·0 cites·54 claims
- 0448US2024238004A1Circumferential nerve cutterCHECKPOINT SURGICAL INC·Filed 2022·Application pending·0 cites
- 0540US2021386994A1Nerve regeneration therapy system and methodCHECKPOINT SURGICAL INC·Filed 2019·Application pending·0 cites
- 0632USD1098461SElectrical stimulation deviceCHECKPOINT SURGICAL INC·Filed 2024·Granted Oct 14, 2025·0 cites·1 claims
- 0727USD1055283SNerve cutting deviceCHECKPOINT SURGICAL INC·Filed 2022·Granted Dec 24, 2024·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →