GR

Gerardus L. J. A. Rikken

U.S. Philips: 5 patents #914 of 8,851Top 15%
Overall (All Time): #1,054,052 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5631766 Optical component and opto-electronic device for raising the frequency of electromagnetic radiation Antonius H. J. Venhuizen, Constance J. E. Seppen 1997-05-20
5384883 Optical component and optoelectronic element for increasing the frequency of electromagnetic radiation Antonius H. J. Venhuizen 1995-01-24
5151965 Device for doubling the frequency of a light wave Constance J. E. Seppen 1992-09-29
5006729 Device for doubling the frequency of a light wave comprising a non-linear optical compound Egbert Willem Meijer, Wolter Ten Hoeve, Sjef Nijhuis, Edsko E. Havinga 1991-04-09
4958087 Arrangement for and method of doubling the frequency of a light wave Egbert Willem Meijer, Edsko E. Havinga 1990-09-18