Inventor · disambiguated record
Richard E. Schumaker
Also filed as: SCHUMAKER RICHARD E
9 granted patents·4 pending applications·953 citations·filing 1983–2006
93Inventor score
Top patents by PatentIndex Score
13 records- 0197US6899476B1RFID tag, antenna, and printer systemPRINTRONIX INC·Filed 2004·Granted May 31, 2005·167 cites·23 claims
- 0296US7037009B2RFID tag, antenna, and printer systemPRINTRONIX INC·Filed 2005·Granted May 2, 2006·32 cites·4 claims
- 0396US4587651ADistributed variable bandwidth switch for voice, data, and image communicationsCXC CORP·Filed 1983·Granted May 6, 1986·224 cites·49 claims
- 0495US4679191AVariable bandwidth switching systemCXC CORP·Filed 1984·Granted Jul 7, 1987·207 cites·25 claims
- 0595US4597077AIntegrated voice/data/control switching systemCXC CORP·Filed 1984·Granted Jun 24, 1986·166 cites·15 claims
- 0693US6929412B1RFID tag, antenna, and printer systemPRINTRONIX INC·Filed 2004·Granted Aug 16, 2005·76 cites·29 claims
- 0792US7066667B2RFID tag and printer systemPRINTRONIX INC·Filed 2005·Granted Jun 27, 2006·51 cites·11 claims
- 0890US7261479B2RFID tag, antenna, and printer systemPRINTRONIX INC·Filed 2006·Granted Aug 28, 2007·19 cites·15 claims
- 0953US5595446APrinter power supplyPRINTRONIX INC·Filed 1994·Granted Jan 21, 1997·11 cites·6 claims
- 1043US2007268142A1VSWR classification and non-resonant encoding of RFID tags using a near-field encoderCHIU LIHU M·Filed 2006·Application pending·0 cites
- 1140US2007013485A1RFID characterization methodEDWARDS ANDREW W·Filed 2005·Application pending·0 cites
- 1237US2006208897A1Capacitive RFID tag encoderCHIU LIHU M·Filed 2005·Application pending·0 cites
- 1332US2005058483A1RFID tag and printer systemFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →