DJ

David Llewellyn John

SB Signify Holding B.V.: 7 patents #122 of 1,458Top 9%
PB Philips Lighting Holding B.V.: 3 patents #187 of 962Top 20%
📍 Willingham, GB: #3 of 25 inventorsTop 15%
Overall (All Time): #505,060 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10879791 DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods Reinhold Elferich, William Peter Mechtildis Marie Jans, Johannes Hubertus Gerardus Op Het Veld 2020-12-29
10734889 DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods Reinhold Elferich, William Peter Mechtildis Marie Jans, Johannes Hubertus Gerardus Op Het Veld 2020-08-04
10680510 AC/DC PFC converter using a half bridge resonant converter, and corresponding conversion method Reinhold Elferich 2020-06-09
10454382 Half bridge resonant converters, circuits using them, and corresponding control methods Johannes Hubertus Gerardus Op Het Veld, Reinhold Elferich, William Peter Mechtildis Marie Jans 2019-10-22
10447147 DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods Johannes Hubertus Gerardus Op Het Veld, Reinhold Elferich, William Peter Mechtildis Marie Jans 2019-10-15
10447148 DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods Reinhold Elferich, William Peter Mechtildis Marie Jans, Johannes Hubertus Gerardus Op Het Veld 2019-10-15
10263510 DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods William Peter Mechtildis Marie Jans, Reinhold Elferich, Johannes Hubertus Gerardus Op Het Veld 2019-04-16
9961728 Driver device and driving method Reinhold Elferich 2018-05-01
9882506 Multiple inductive component Bernd Ackermann, Reinhold Elferich 2018-01-30
9595865 Converter unit and method for converting a voltage Peter Blanken, Reinhold Elferich 2017-03-14