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RAMCHEN JOHANN
DE
3 patents
Top patents
by PatentIndex Score
US8742448B2
Jun 3, 2014
Optoelectronic component
RAMCHEN JOHANN
6 citations
71
US9818921B2
Nov 14, 2017
Optoelectronic semiconductor component
RAMCHEN JOHANN
2 citations
70
US9029901B2
May 12, 2015
Electronic component
RAMCHEN JOHANN
2 citations
59