Inventor

OPFERMANN JOHANNES

DE3 patents

⚠️ This page may combine multiple inventors who share the name “OPFERMANN JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PENTACON DRESDEN VEB

2 patents

US3966470AJun 29, 1976

Photo-conductive coating containing Ge, S, and Pb or Sn

PENTACON DRESDEN VEB8 citations66

US3992203ANov 16, 1976

Polyphenylenevinylene photoconductor composition sensitized with a 1,4-bis (styryl) benzene derivative

PENTACON DRESDEN VEB14 citations62

NETZSCH GERAETEBAU GMBH

1 patent

US7038209B2May 2, 2006

Device for detecting thermal conductivity by means of optical pulses

NETZSCH GERAETEBAU GMBH5 citations57