WH

Willem L.C.M. Heijboer

U.S. Philips: 5 patents #914 of 8,851Top 15%
Overall (All Time): #1,048,396 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6045979 Method of photolithographically metallizing at least the inside of holes arranged in accordance with a pattern in a plate of an electrically insulating material Gijsbertus A. C. M. Spierings, Leo O. Remeeus 2000-04-04
5824454 Method of photolithographically metallizing at least the inside of holes arranged in accordance with a pattern in a plate of an electrically insulating material Gijsbertus A. C. M. Spierings, Leo O. Remeeus 1998-10-20
5744283 Method of photolithographically metallizing at least the inside of holes arranged in accordance with a pattern in a plate of an electrically insulating material Gijsbertus A. C. M. Spierings, Leo O. Remeeus 1998-04-28
5595933 Method for manufacturing a cathode 1997-01-21
5475281 Cathode 1995-12-12