KH

Karl M. Hamacher

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,703,434 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5838844 Integrated optical circuit comprising a polarization convertor Cornelis P. van Dam, Helmut Heidrich, Cornelis Adrianus Marinus Steenbergen, Meint Koert Smit, Carl-Michael Weinert 1998-11-17