HB

Hindrick Freerk Bulthuis

GE Gemfire: 4 patents #9 of 36Top 25%
📍 Enschede, NL: #33 of 648 inventorsTop 6%
Overall (All Time): #749,722 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7689072 Optical device with reduced temperature dependence Tony C. Kowalczyk, Michael G. Jubber 2010-03-30
7555180 Optical branching component with low polarisation sensitivity and increased process tolerance Frederick Marcel van der Vliet, Gunter B. Beelen, Jamie Suarez Pandavenes 2009-06-30
7492991 Arrayed waveguide grating with reduced channel passband asymmetry Gunter B. Beelen 2009-02-17
7397986 Optical device with reduced temperature dependence Tony C. Kowalczyk, Michael G. Jubber 2008-07-08
7382953 Folded AWG architecture Gunter B. Beelen 2008-06-03
6768842 Arrayed waveguide grating Remco Stoffer, Gunter B. Beelen 2004-07-27
6289147 Passband flattening of a phasar Martin R. Amersfoort 2001-09-11