Inventor
NAKATSUGAWA YASUMASA
JP17 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSUGAWA YASUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FELICA NETWORKS INC
8 patentsUS7891544B2Feb 22, 2011
Data communications system, information processing terminal, IC card, reader/writer, and program
FELICA NETWORKS INC3 citations61
US7648075B2Jan 19, 2010
Data transmission-reception system, contactless IC chip, mobile terminal, information processing method, and program
FELICA NETWORKS INC2 citations61
US9779348B2Oct 3, 2017
Data communications system, information processing terminal, IC card, reader/writer, and program
FELICA NETWORKS INC0 citations51
US7997480B2Aug 16, 2011
Data communication system, device for executing IC card function, control method for the device, and information processing terminal
FELICA NETWORKS INC0 citations51
US11625267B2Apr 11, 2023
Information processing apparatus and information processing method for changing contents of a process to be performed after an interrupt is detected
FELICA NETWORKS INC0 citations49
US11775688B2Oct 3, 2023
Information processing device and information processing method
FELICA NETWORKS INC0 citations48
US12475209B2Nov 18, 2025
Information processing device, information processing method, and information processing system
FELICA NETWORKS INC0 citations42
US11159521B2Oct 26, 2021
Information processing apparatus and information processing method
FELICA NETWORKS INC0 citations42
NAKATSUGAWA YASUMASA
3 patentsUS8553717B2Oct 8, 2013
Information processing device, communication method, and program product
NAKATSUGAWA YASUMASA5 citations69
US8960531B2Feb 24, 2015
Data communications system, information processing terminal, IC card, reader/writer, and program
NAKATSUGAWA YASUMASA1 citations59
US8458473B2Jun 4, 2013
Information processing apparatus, method for switching cipher and program
NAKATSUGAWA YASUMASA0 citations38
OTA TOYOKAZU
2 patentsUS8413895B2Apr 9, 2013
Data communication system, device for executing IC card function, control method for the device, and information processing terminal
OTA TOYOKAZU4 citations58
US8177131B2May 15, 2012
Data communication system, device for executing IC card function, control method for the device, and information processing terminal
OTA TOYOKAZU0 citations48