Inventor · disambiguated record
Donald Chapman
Also filed as: CHAPMAN DONALD · CHAPMAN DONALD BRENT
2 granted patents·16 citations·filing 1998–2016
51Inventor score
Top patents by PatentIndex Score
2 records- 0133US6580718B1Method and apparatus for preventing unauthorized use of a permanent virtual connectionCOVAD COMM GROUP INC·Filed 1998·Granted Jun 17, 2003·16 cites·17 claims
- 0228US10395352B2Automatic compensation for the light attenuation due to epidermal melanin in skin imagesKENT IMAGING·Filed 2016·Granted Aug 27, 2019·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Donald Chapman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →