Inventor · disambiguated record
Johannes E. Algra
Also filed as: ALGRA JOHANNES E
5 granted patents·244 citations·filing 1989–2000
83Inventor score
Top patents by PatentIndex Score
5 records- 0192US6147458ACircuit arrangement and signalling light provided with the circuit arrangementPHILIPS CORP·Filed 1999·Granted Nov 14, 2000·177 cites·21 claims
- 0256US4939632APower supply circuitPHILIPS CORP·Filed 1989·Granted Jul 3, 1990·27 cites·17 claims
- 0343US5101334AHigh speed power supply circuit with circuit with positive feedbackPHILIPS CORP·Filed 1990·Granted Mar 31, 1992·19 cites·2 claims
- 0440US4965506APower-supply circuit having circuitry for switching from a battery charging mode to a battery trickle-charging modePHILIPS CORP·Filed 1989·Granted Oct 23, 1990·19 cites·36 claims
- 0538US6430065B2Power circuit for a semiconductor light source operable from a solid state relayKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Aug 6, 2002·2 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Johannes E. Algra 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 →