Inventor · disambiguated record

Derek E. Toeppen

Also filed as: TOEPPEN DEREK E

2 granted patents·53 citations·filing 1997–1997

65Inventor score

Technology areasG01R H03C

Files withHEWLETT PACKARD CO2

Top patents by PatentIndex Score

2 records

0160US5789954APhase dither of an acquisition clock using a delay lock loopHEWLETT PACKARD CO·Filed 1997·Granted Aug 4, 1998·26 cites·14 claims
0257US5900755APhase dither of an acquisition clock using a phase lock loopHEWLETT PACKARD CO·Filed 1997·Granted May 4, 1999·27 cites·13 claims

Join the waitlist — get patent alerts

Get an alert when Derek E. Toeppen 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 →