Inventor · disambiguated record
Sung S. Chang
Also filed as: CHANG SUNG S · CHANG SUNG-SAN
15 granted patents·3 pending applications·258 citations·filing 1985–2012
93Inventor score
Top patents by PatentIndex Score
18 records- 0183US4910686APostage meter with non-dollar amount indiciaPITNEY BOWES INC·Filed 1988·Granted Mar 20, 1990·45 cites·6 claims
- 0280US5437445AMethod and apparatus for detecting double fed sheetsPITNEY BOWES INC·Filed 1992·Granted Aug 1, 1995·30 cites·35 claims
- 0373US4805109ANonvolatile memory protection arrangement for electronic postage meter system having plural nonvolatile memoriesPITNEY BOWES INC·Filed 1985·Granted Feb 14, 1989·31 cites·10 claims
- 0466US5612888AMethod and apparatus for generating a mailpiecePITNEY BOWES INC·Filed 1995·Granted Mar 18, 1997·37 cites·20 claims
- 0563US5517797AEnvelope positioning apparatus for inserting machinePITNEY BOWES INC·Filed 1994·Granted May 21, 1996·22 cites·9 claims
- 0660US4933616ADrive control system for imprinting apparatusPITNEY BOWES INC·Filed 1987·Granted Jun 12, 1990·18 cites·8 claims
- 0757US7133341B2System and method for optical disc drive adjustmentLITE ON IT CORP·Filed 2003·Granted Nov 7, 2006·3 cites·13 claims
- 0855US7447120B2Method of determining an optimal control profile for adjusting tray-in/out speeds of an optical disk driveLITE ON IT CORP·Filed 2004·Granted Nov 4, 2008·2 cites·7 claims
- 0955US4817004AElectronic postage meter operating systemPITNEY BOWES INC·Filed 1985·Granted Mar 28, 1989·15 cites·12 claims
- 1053US7190648B2Method of dynamically partitioning a memory of a recording mediumLITE ON IT CORP·Filed 2003·Granted Mar 13, 2007·2 cites·12 claims
- 1153US4845632AElectonic postage meter system having arrangement for rapid storage of critical postage accounting data in plural nonvolatile memoriesPITNEY BOWES INC·Filed 1985·Granted Jul 4, 1989·22 cites·19 claims
- 1249US5618037AMethod for maintaining mailpiece integrityPITNEY BOWES INC·Filed 1995·Granted Apr 8, 1997·18 cites·13 claims
- 1347US7607144B2Method for detecting size of the optical disk and ejecting optical diskLITE ON IT CORP·Filed 2006·Granted Oct 20, 2009·0 cites·10 claims
- 1446US5644486AProgrammable controller for mechanical systemsPITNEY BOWES INC·Filed 1994·Granted Jul 1, 1997·12 cites·19 claims
- 1544US2014163716A1Bridge device, automated production system and method thereof for storage deviceSKYMEDI CORP·Filed 2012·Application pending·0 cites
- 1643US2007150754A1Secure software system and method for a printerPAULY STEVEN J·Filed 2005·Application pending·0 cites
- 1741US7221985B2On-screen calibration system and operating method thereofLITE ON IT CORP·Filed 2003·Granted May 22, 2007·1 cites·13 claims
- 1837US2012210038A1External bridge systemLIU YUNG-HUA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →