Inventor · disambiguated record
Roy Lang
Also filed as: LANG ROY
4 granted patents·122 citations·filing 1975–1979
80Inventor score
Technology areasH01S
Files withNIPPON ELECTRIC CO4
Top patents by PatentIndex Score
4 records- 0193US4105955AHeterostructure laser having a stripe region defined in an active layer by a difference in impurityNIPPON ELECTRIC CO·Filed 1977·Granted Aug 8, 1978·61 cites·18 claims
- 0288US4079339ALight self-injecting semiconductor laser deviceNIPPON ELECTRIC CO·Filed 1976·Granted Mar 14, 1978·33 cites·10 claims
- 0371US3999146ASemiconductor laser deviceNIPPON ELECTRIC CO·Filed 1975·Granted Dec 21, 1976·17 cites·4 claims
- 0461US4309668AStripe-geometry double heterojunction laser deviceNIPPON ELECTRIC CO·Filed 1979·Granted Jan 5, 1982·11 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →