Inventor · disambiguated record
Leonard J. Hitchcock
Also filed as: HITCHCOCK LEONARD J
4 granted patents·396 citations·filing 1988–1993
83Inventor score
Files withIBM4
Top patents by PatentIndex Score
4 records- 0193US5132889AResonant-transition DC-to-DC converterIBM·Filed 1991·Granted Jul 21, 1992·152 cites·16 claims
- 0290US4860189AFull bridge power converter circuitIBM·Filed 1988·Granted Aug 22, 1989·97 cites·1 claims
- 0380US5418703ADC-DC converter with reset control for enhanced zero-volt switchingIBM·Filed 1993·Granted May 23, 1995·65 cites·5 claims
- 0479US5521809ACurrent share circuit for DC to DC convertersIBM·Filed 1993·Granted May 28, 1996·82 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Leonard J. Hitchcock 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 →