Inventor · disambiguated record
Francis John Callaghan
Also filed as: CALLAGHAN FRANCIS J · CALLAGHAN FRANCIS JOHN
15 granted patents·2 pending applications·905 citations·filing 1988–2013
95Inventor score
Files withDATAQUILL LTD6TELECTRONICS NV6PACESETTER INC2CALLAGHAN FRANCIS JOHN1TELECTRONICS PACING SYST1
Top patents by PatentIndex Score
17 records- 0195US7505785B2Data entry systemsDATAQUILL LTD·Filed 2006·Granted Mar 17, 2009·95 cites·42 claims
- 0295US6058304AData entry systemDATAQUILL LTD·Filed 1994·Granted May 2, 2000·274 cites·63 claims
- 0390US7139591B2Hand held telecommunications and data entry deviceDATAQUILL LTD·Filed 2004·Granted Nov 21, 2006·58 cites·62 claims
- 0480US7920898B2Data entry systemsDATAQUILL LTD·Filed 2009·Granted Apr 5, 2011·7 cites·71 claims
- 0579US4969464APacemaker with improved automatic output regulationTELECTRONICS NV·Filed 1989·Granted Nov 13, 1990·41 cites·6 claims
- 0679US4969467APacemaker with improved automatic output regulationTELECTRONICS NV·Filed 1989·Granted Nov 13, 1990·146 cites·11 claims
- 0772US4878497APacemaker with improved automatic output regulationTELECTRONICS NV·Filed 1988·Granted Nov 7, 1989·114 cites·17 claims
- 0854US2013295993A1Data Entry SystemsDATAQUILL LTD·Filed 2013·Application pending·0 cites
- 0953US2013035135A1Data Entry SystemsDATAQUILL LTD·Filed 2012·Application pending·0 cites
- 1048US4969460APacemaker with improved automatic output regulationTELECTRONICS NV·Filed 1989·Granted Nov 13, 1990·39 cites·22 claims
- 1146US8290538B2Data entry systemsCALLAGHAN FRANCIS JOHN·Filed 2011·Granted Oct 16, 2012·0 cites·23 claims
- 1246US4955376APacemaker with improved automatic output regulationTELETRONICS N V·Filed 1989·Granted Sep 11, 1990·40 cites·3 claims
- 1339US4969462APacemaker with improved automatic output regulationTELECTRONICS NV·Filed 1989·Granted Nov 13, 1990·22 cites·18 claims
- 1437US6269268B1Rate-responsive pacemaker with closed-loop controlPACESETTER INC·Filed 1990·Granted Jul 31, 2001·19 cites·48 claims
- 1536US5271393APacemaker employing antitachyarrhythmia prevention based on ventricular gradientTELECTRONICS PACING SYST·Filed 1991·Granted Dec 21, 1993·20 cites·20 claims
- 1635US6272381B1Rate-responsive pacemaker with closed-loop controlPACESETTER INC·Filed 1998·Granted Aug 7, 2001·19 cites·13 claims
- 1733US4969461APacemaker with improved automatic output regulationTELECTRONICS NV·Filed 1989·Granted Nov 13, 1990·11 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →