Inventor · disambiguated record
Frederic Zapf
Also filed as: ZAPF FREDERIC
4 granted patents·71 citations·filing 1988–2000
78Inventor score
Top patents by PatentIndex Score
4 records- 0175US6434305B1Optical transmission element, process as well as device for its manufactureCORNING CABLE SYS LLC·Filed 2000·Granted Aug 13, 2002·19 cites·21 claims
- 0271US4929051AOptical glass fiber with a primary coating of organo-polysiloxanes containing acrylic acid ester groupsSIEMENS AG·Filed 1988·Granted May 29, 1990·29 cites·5 claims
- 0349US5762847AMethod for the re-utilization of an opticalSIEMENS AG·Filed 1996·Granted Jun 9, 1998·16 cites·2 claims
- 0436US5993896AMethod and apparatus for enveloping electrical and/or optical conductors with a resinSIEMENS AG·Filed 1997·Granted Nov 30, 1999·7 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →