Inventor · disambiguated record
Yasumasa Nakatsugawa
Also filed as: NAKATSUGAWA YASUMASA
17 granted patents·3 pending applications·34 citations·filing 2006–2021
89Inventor score
Top patents by PatentIndex Score
20 records- 0182US8291085B2Value information transfer system and value information transfer methodSHIIGI DAISUKE·Filed 2006·Granted Oct 16, 2012·19 cites·14 claims
- 0277US8413895B2Data communication system, device for executing IC card function, control method for the device, and information processing terminalOTA TOYOKAZU·Filed 2012·Granted Apr 9, 2013·4 cites·19 claims
- 0375US7891544B2Data communications system, information processing terminal, IC card, reader/writer, and programFELICA NETWORKS INC·Filed 2007·Granted Feb 22, 2011·3 cites·10 claims
- 0473US8960531B2Data communications system, information processing terminal, IC card, reader/writer, and programNAKATSUGAWA YASUMASA·Filed 2011·Granted Feb 24, 2015·1 cites·12 claims
- 0568US8553717B2Information processing device, communication method, and program productNAKATSUGAWA YASUMASA·Filed 2008·Granted Oct 8, 2013·5 cites·10 claims
- 0661US7648075B2Data transmission-reception system, contactless IC chip, mobile terminal, information processing method, and programFELICA NETWORKS INC·Filed 2006·Granted Jan 19, 2010·2 cites·13 claims
- 0758US12333520B2Communication processing device, communication processing system, communication control method, and programSONY GROUP CORP·Filed 2021·Granted Jun 17, 2025·0 cites·20 claims
- 0858US9779348B2Data communications system, information processing terminal, IC card, reader/writer, and programFELICA NETWORKS INC·Filed 2015·Granted Oct 3, 2017·0 cites·11 claims
- 0949US11775688B2Information processing device and information processing methodFELICA NETWORKS INC·Filed 2018·Granted Oct 3, 2023·0 cites·17 claims
- 1049US8458473B2Information processing apparatus, method for switching cipher and programNAKATSUGAWA YASUMASA·Filed 2009·Granted Jun 4, 2013·0 cites·14 claims
- 1149US2022300943A1Information processing apparatus, payment processing system, method, and programFELICA NETWORKS INC·Filed 2020·Application pending·0 cites
- 1248US7997480B2Data communication system, device for executing IC card function, control method for the device, and information processing terminalFELICA NETWORKS INC·Filed 2006·Granted Aug 16, 2011·0 cites·25 claims
- 1346US8177131B2Data communication system, device for executing IC card function, control method for the device, and information processing terminalOTA TOYOKAZU·Filed 2011·Granted May 15, 2012·0 cites·6 claims
- 1444US11625267B2Information processing apparatus and information processing method for changing contents of a process to be performed after an interrupt is detectedFELICA NETWORKS INC·Filed 2018·Granted Apr 11, 2023·0 cites·17 claims
- 1544US2009307491A1Information processing device, information processing method, program and communication systemSONY CORP·Filed 2009·Application pending·0 cites
- 1643US2008232176A1Portable Information TerminalOTA TOYOKAZU·Filed 2008·Application pending·0 cites
- 1740US8782749B2Information processing device, information processing method, and programTAKEMURA TOSHIHARU·Filed 2011·Granted Jul 15, 2014·0 cites·6 claims
- 1838US8677137B2Communication device, communication method, information processing device, information processing method, program, and communication systemZHU YINGLIN·Filed 2010·Granted Mar 18, 2014·0 cites·25 claims
- 1937US12475209B2Information processing device, information processing method, and information processing systemFELICA NETWORKS INC·Filed 2020·Granted Nov 18, 2025·0 cites·18 claims
- 2037US11159521B2Information processing apparatus and information processing methodFELICA NETWORKS INC·Filed 2017·Granted Oct 26, 2021·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →