Inventor
DUGRAND LOUIS
FR5 patents
⚠️ This page may combine multiple inventors who share the name “DUGRAND LOUIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FRANCE ETAT
4 patentsUS4925811AMay 15, 1990
Method of manufacturing a semiconductor structure suitable for producing a multi-wavelength laser effect
FRANCE ETAT27 citations91
US5115285AMay 19, 1992
Method of producing a quasi-flat semiconductor device capable of a multi-wavelength laser effect and the corresponding device
FRANCE ETAT10 citations72
US5039627AAug 13, 1991
Method of producing a quasi-flat semiconductor device capable of a multi-wavelength laser effect and the corresponding device
FRANCE ETAT14 citations72
US4955030ASep 4, 1990
Method of manufacturing a semiconductor structure suitable for producing a multi-wavelength laser effect, and device obtained thereby
FRANCE ETAT10 citations72