HH

Helmut Heidrich

U.S. Philips: 1 patents #139 of 781Top 20%
Overall (1997): #143,663 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5661825 Integrated optical circuit comprising a polarization convertor Cornelis P. van Dam, Michael Hamacher, Carl-Michael Weinert 1997-08-26