Inventor · disambiguated record
Robert W. Kruppa
Also filed as: KRUPPA ROBERT W · KRUPPA ROBERT WILLIAM
16 granted patents·2 pending applications·443 citations·filing 1975–2009
95Inventor score
Files withIBM18
Top patents by PatentIndex Score
18 records- 0194US6247645B1Optical reader with combined housing and light pipeIBM·Filed 1999·Granted Jun 19, 2001·164 cites·9 claims
- 0278US5613783APoint of sale printer with magnetic readerIBM·Filed 1995·Granted Mar 25, 1997·46 cites·11 claims
- 0375US5973419ACircuit and method of operation to control in-rush current and maintain power supply voltage to peripheral devices in an information systemIBM·Filed 1998·Granted Oct 26, 1999·46 cites·10 claims
- 0467US6503006B1Variable power thermal printerIBM·Filed 2000·Granted Jan 7, 2003·11 cites·4 claims
- 0567US5893667APoint of sale printer with magnetic readerIBM·Filed 1996·Granted Apr 13, 1999·20 cites·8 claims
- 0663US7492974B2Gray scale image cleaning system and methodIBM·Filed 2005·Granted Feb 17, 2009·4 cites·3 claims
- 0762US6234695B1Variable power thermal printerIBM·Filed 1999·Granted May 22, 2001·19 cites·14 claims
- 0861US6243504B1Integrated magnetic ink character recognition system and method thereforIBM·Filed 1998·Granted Jun 5, 2001·52 cites·6 claims
- 0960US5634729AMagnetic reader with a flexible pressure film pressure padIBM·Filed 1996·Granted Jun 3, 1997·14 cites·20 claims
- 1057US6648225B2Optical reader with combined housing and light pipeIBM·Filed 2001·Granted Nov 18, 2003·4 cites·11 claims
- 1155US7480403B2Apparatus, system, and method for fraud detection using multiple scan technologiesIBM·Filed 2004·Granted Jan 20, 2009·8 cites·27 claims
- 1250US5087867AMotor driving apparatus and printerIBM·Filed 1991·Granted Feb 11, 1992·13 cites·18 claims
- 1348US7952775B2Gray scale image cleaning system and methodIBM·Filed 2009·Granted May 31, 2011·0 cites·15 claims
- 1448US2008298668A1Method for fraud detection using multiple scan technologiesIBM·Filed 2008·Application pending·0 cites
- 1544US5887075AMethod, and apparatus and article of manufacture for filtering periodic noise from a magnetic read headIBM·Filed 1997·Granted Mar 23, 1999·23 cites·20 claims
- 1644US5805439ADC-to-DC auto switch circuitIBM·Filed 1997·Granted Sep 8, 1998·13 cites·17 claims
- 1744US2005094861A1Positional synchronization in a multivoting character recognition environmentIBM·Filed 2003·Application pending·0 cites
- 1843US4034243ALogic array structure for depletion mode-FET load circuit technologiesIBM·Filed 1975·Granted Jul 5, 1977·6 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Robert W. Kruppa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →