JB

Johannen J. Brondijk

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,896,947 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4904530 Magnetic material, magnetic recording medium, and method of manufacturing a magnetic material Albert Gezinus Huizing, Cornelis P. G. M. Zegers 1990-02-27