Inventor · disambiguated record
Andreas Weirich
Also filed as: WEIRICH ANDREAS · WEIRICH ANDREAS H
7 granted patents·2 pending applications·146 citations·filing 1983–2019
86Inventor score
Top patents by PatentIndex Score
9 records- 0185US6295343B1Method and apparatus for combining voice line card and xDSL line card functionsCATENA NETWORKS INC·Filed 2000·Granted Sep 25, 2001·67 cites·17 claims
- 0281US4592070AADPCM encoder/decoder with improved trackingNORTHERN TELECOM LTD·Filed 1983·Granted May 27, 1986·28 cites·10 claims
- 0374US10873173B1Reducing back reflection in hybrid lasersELENION TECH LLC·Filed 2019·Granted Dec 22, 2020·2 cites·19 claims
- 0465US7010026B1Enhanced line card and packetizing CPE for lifeline packet voice telephoneCIENA CORP·Filed 2000·Granted Mar 7, 2006·15 cites·46 claims
- 0557US4549304AADPCM Encoder/decoder with signalling bit insertionNORTHERN TELECOM LTD·Filed 1983·Granted Oct 22, 1985·17 cites·5 claims
- 0656US6873623B2System and method for overlaying DSL access multiplexer onto existing access systemsCIENA CORP·Filed 2001·Granted Mar 29, 2005·5 cites·21 claims
- 0737US4542516AADPCM Encoder/decoder with zero code suppressionNORTHERN TELECOM LTD·Filed 1983·Granted Sep 17, 1985·12 cites·12 claims
- 0836US2002009180A1Fail to pots architectureFiled 2001·Application pending·0 cites
- 0935US2002027900A1System and method for programmable spectrum managementFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →