Ralf Beier has been granted 12 US patents while listed as an inventor at U.S. Philips . The first was granted in 1997 and the most recent in July 2025. Ralf Beier ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Ralf Beier in Wuppertal, DE.
Patents per Year Patents granted per year, 1997 to 2025 Bar chart with a peak of 2 patents in 1997. peak 2 1997: 2 patents 1997 1998: 1 patents 1999: 1 patents 1999 2002: 1 patents 2004: 1 patents 2004 2012: 1 patents 2014: 1 patents 2014 2016: 1 patents 2017: 1 patents 2017 2023: 1 patents 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12362962 Transmission method through in-vehicle switch-based network — 2025-07-15
11620249 LIN communication circuit and a method of communicating between LIN busses Ralph-Heiner Haar 2023-04-04
9641075 Current feedback and offset voltage cancellation for DC-DC converter Gerhard Osterloh , Rodrigo Mora-Sanchez 2017-05-02
$6,803,000
9269834 Photovoltaic module monitoring and control Gerhard Osterloh , Frank Matschullat 2016-02-23
$24,992,000
8686801 Power supply and DC-DC-conversion Gerhard Osterloh , Michael Gattung 2014-04-01
8294496 Sawtooth oscillator Michael Gattung , Gerhard Osterloh 2012-10-23
$15,825,000
6734710 Circuit arrangement for pulse generation — 2004-05-11
$1,021,000
6366036 Arrangement for coupling out an output current from a load current and for gaining a control value to control the load current Jurgen Kordts , Axel Nathe 2002-04-02
6005792 Circuit arrangement for a memory cell of a D/A converter Jurgen Kordts , Friedrich Hahn , Peter Rolla , Axel Nathe 1999-12-21
5764042 Controlled power supply source Axel Nathe , Michael Ramm 1998-06-09
5682094 Current mirror arrangement Axel Nathe 1997-10-28
5640095 Circuit arrangement for leakage-resistance testing of a circuit point Axel Nathe , Marten Swart , Horst Belau 1997-06-17
