Inventor
MAZAWA SHIRO
JP42 patents
⚠️ This page may combine multiple inventors who share the name “MAZAWA SHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
20 patentsUS6628631B1Sep 30, 2003
Radio communication system and handoff method therefor
HITACHI LTD83 citations98
US6975604B1Dec 13, 2005
Base station controller and mobile station
HITACHI LTD117 citations95
US7039425B1May 2, 2006
Terminal usage limiting apparatus
HITACHI LTD110 citations94
US7126924B2Oct 24, 2006
Radio base station/radio base station controller equipped with inactivity timer, mobile station, and state control method
HITACHI LTD36 citations92
US7724724B2May 25, 2010
Radio communication apparatus
HITACHI LTD10 citations83
US7995520B2Aug 9, 2011
Wireless communication system and terminal
HITACHI LTD2 citations63
US7990939B2Aug 2, 2011
Information transmitting method and information transmitting system
HITACHI LTD3 citations63
US7912478B2Mar 22, 2011
Wireless communication system and base station
HITACHI LTD2 citations62
US7894817B2Feb 22, 2011
Communication system using multiple wireless resources during a soft handoff
HITACHI LTD3 citations62
US8036607B2Oct 11, 2011
Wireless terminal and wireless base station
HITACHI LTD2 citations58
US8036673B2Oct 11, 2011
Status notification method in wireless communication apparatus
HITACHI LTD2 citations56
US11255990B2Feb 22, 2022
Internal structure detection system
HITACHI LTD0 citations52
US7965696B2Jun 21, 2011
Information transmitting method and information transmitting system
HITACHI LTD1 citations52
US7729309B2Jun 1, 2010
Area management system
HITACHI LTD1 citations52
US12309676B2May 20, 2025
Network system and network slice generation method
HITACHI LTD0 citations51
US10531417B2Jan 7, 2020
Time synchronization system
HITACHI LTD0 citations51
US7907951B2Mar 15, 2011
Wireless communication system and base station
HITACHI LTD0 citations51
US10458959B2Oct 29, 2019
Method of detecting failure or anomaly of sensor terminal
HITACHI LTD0 citations50
US9014745B2Apr 21, 2015
Radio communication system, radio communication method, and base station
HITACHI LTD0 citations39
US10775521B2Sep 15, 2020
Sensor apparatus, planning processing system, and planning method
HITACHI LTD0 citations36
TAKAHASHI YOSUKE
4 patentsUS8307455B2Nov 6, 2012
Decryption-key distribution method and authentication apparatus
TAKAHASHI YOSUKE8 citations83
US8228892B2Jul 24, 2012
Synchronous delivery method
TAKAHASHI YOSUKE11 citations83
US8855146B2Oct 7, 2014
Synchronous delivery method
TAKAHASHI YOSUKE1 citations51
US8892100B2Nov 18, 2014
Radio communication method, radio mobile device and radio base station accomodation apparatus
TAKAHASHI YOSUKE0 citations41
YOSHIDA AKIHIKO
4 patentsUS8121084B2Feb 21, 2012
Area management system
YOSHIDA AKIHIKO2 citations61
US8116263B2Feb 14, 2012
Radio communication apparatus
YOSHIDA AKIHIKO2 citations61
US8094600B2Jan 10, 2012
Radio communication apparatus
YOSHIDA AKIHIKO2 citations61
US8073381B2Dec 6, 2011
Radio communication system and base station
YOSHIDA AKIHIKO1 citations50