JO

Jan Opschoor

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #948,047 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11772157 Additive manufacturing of metal objects Jacob Jan Saurwalt, Louis David Berkeveld 2023-10-03
5113405 Semiconductor diode laser having a stepped effective refractive index Hubertus P. M. M. Ambrosius 1992-05-12
4954971 Bidimensional laser array with two groups of active regions Carolus J. van der Poel, Henri F. J. van 't Blik 1990-09-04
4822151 Optical device with phase-locked diodelaser array Kimio Tatsuno, Carolus J. van der Poel, Ronald R. Drenten 1989-04-18
4819243 Semiconductor laser with active layer having a radiation emitting active region therein which extends through and is bounded by a current limiting blocking layer 1989-04-04