Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MB

Marcel Beij

SBSignify Holding B.V.: 15 patents #46 of 1,458Top 4%
Philips: 14 patents #215 of 7,731Top 3%
U.S. Philips: 6 patents #699 of 8,851Top 8%
PBPhilips Lighting Holding B.V.: 3 patents #187 of 962Top 20%
Koniniklijke Philips N.V.: 2 patents #2,768 of 7,486Top 40%
Sint-Oedenrode, NL: #1 of 57 inventorsTop 2%
Overall (All Time): #77,616 of 4,157,543Top 2%
40 Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
7176636 Circuit arrangement for operating a lamp Arnold Willem Buij 2007-02-13
7141938 Power control device, apparatus and method of controlling the power supplied to a discharge lamp Arnold Willem Buij 2006-11-28
6836082 Ballast and method of feeding a fluorescent lamp Arnold Willem Buij 2004-12-28
6628092 Ballast and method of feeding a fluorescent lamp Arnold Willem Buij 2003-09-30
6624598 Ballast and method of feeding a fluorescent lamp Arnold Willem Buij 2003-09-23
6545433 Circuit arrangement equipped with a timer compensating lamp degradation through its service life Arnold Willem Buij 2003-04-08
6538393 Circuit arrangement Arnold Willem Buij 2003-03-25
6535401 Circuit arrangement Arnold Willem Buij, Everaard Marie Jozef Aendekerk, Wilhelmus Hinderikus Maria Langeslag 2003-03-18
6445140 Circuit device Arnold Willem Buij, Machiel Antonius Martinus Hendrix, Wilhelmus Hinderikus Maria Langeslag 2002-09-03
6307329 Circuit arrangement Arnold Willem Buij 2001-10-23
6069453 Ballast circuit for reducing striations in a discharge lamp Paulus P. B. Arts, Arnold Willem Buij 2000-05-30
5841240 Efficient discharge lamp electrode heating circuit operable over wide temperature and power range Hendrikus J. W. Schenkelaars, Arnold Willem Buij 1998-11-24
5689675 Ranking-based address assignment in a modular system Arnold Willem Buij 1997-11-18
5459376 Programmable lighting system with automatic light control of ambient areas Arnold Willem Buij 1995-10-17
5075599 Circuit arrangement Bernardus J. M. Overgoor, Johannes M. Van Meurs 1991-12-24