| Patent | Date |
|---|
Monitoring system and its method
Grant 11,209,335 - Ono , et al. December 28, 2 | 2021-12-28 |
Traffic Control Method, Receiver, And Communication System
App 20210377777 - KATAYAMA; Rintaro ; et al. | 2021-12-02 |
Sensor device management method and sensor device management system
Grant 11,133,900 - Katayama , et al. September 28, 2 | 2021-09-28 |
Sensor device management method and sensor device management system
Grant 10,996,076 - Katayama , et al. May 4, 2 | 2021-05-04 |
Antenna device, manhole cover equipped with antenna device, and power distribution panel equipped with same
Grant 10,923,793 - Oonishi , et al. February 16, 2 | 2021-02-16 |
Antenna Device And Manufacturing Method Of Manhole Cover
App 20210013616 - OONISHI; Masami ; et al. | 2021-01-14 |
Sensor Device, Sensor Device Management System, And Sensor Device Management Method
App 20200272516 - KATAYAMA; Rintaro ; et al. | 2020-08-27 |
Communication device and communication system
Grant 10,581,622 - Fujiwara , et al. | 2020-03-03 |
Sensor Device Management Method And Sensor Device Management System
App 20190368893 - KATAYAMA; Rintaro ; et al. | 2019-12-05 |
Monitoring System And Its Method
App 20190310158 - ONO; Kazuo ; et al. | 2019-10-10 |
Sensor Device Management Method and Sensor Device Management System
App 20190296866 - Katayama; Rintaro ; et al. | 2019-09-26 |
Antenna Device, Manhole Cover Equipped With Antenna Device, And Power Distribution Panel Equipped With Same
App 20190267695 - OONISHI; Masami ; et al. | 2019-08-29 |
Communication device, system and method
Grant 10,320,520 - Takeuchi , et al. | 2019-06-11 |
Large-scale sensor network system
Grant 10,306,339 - Serizawa , et al. | 2019-05-28 |
Communication device, communication device system, and communication method
Grant 10,104,016 - Takeuchi , et al. October 16, 2 | 2018-10-16 |
Wireless communication method, apparatus and program to manage channel usage
Grant 9,980,286 - Nishimura , et al. May 22, 2 | 2018-05-22 |
Wireless transmission system
Grant 9,967,895 - Nishimura , et al. May 8, 2 | 2018-05-08 |
Communication Device and Communication System
App 20180091320 - FUJIWARA; Ryosuke ; et al. | 2018-03-29 |
Delivery System and Delivery Method
App 20180059659 - TAKEUCHI; Takashi ; et al. | 2018-03-01 |
Communication Device, Communication Device System, And Communication Method
App 20170230310 - TAKEUCHI; Takashi ; et al. | 2017-08-10 |
Wireless transport system
Grant 9,722,688 - Fujiwara , et al. August 1, 2 | 2017-08-01 |
Large-scale Sensor Network System
App 20170134833 - SERIZAWA; Yasutaka ; et al. | 2017-05-11 |
Wireless Communication Method, Apparatus And Program
App 20160345359 - NISHIMURA; Haruki ; et al. | 2016-11-24 |
Communication Device, System and Method
App 20160294508 - TAKEUCHI; Takashi ; et al. | 2016-10-06 |
Wireless surveillance camera system and wireless surveillance camera device
Grant 9,258,730 - Fujiwara , et al. February 9, 2 | 2016-02-09 |
Wireless Transport System
App 20160028467 - FUJIWARA; Ryosuke ; et al. | 2016-01-28 |
Wireless Surveillance Camera System and Wireless Surveillance Camera Device
App 20150223099 - Fujiwara; Ryosuke ; et al. | 2015-08-06 |
Wireless Transmission System
App 20150036619 - NISHIMURA; Haruki ; et al. | 2015-02-05 |
Block acknowledgement for wireless communication methods, apparatuses and systems
Grant 8,755,403 - Veyseh , et al. June 17, 2 | 2014-06-17 |
Block Acknowledgement For Wireless Communication Methods, Apparatuses And Systems
App 20130114622 - VEYSEH; Marzieh ; et al. | 2013-05-09 |
Systems, methods and apparatuses for wireless communication
Grant 8,416,799 - Fujiwara , et al. April 9, 2 | 2013-04-09 |
Adaptive frequency hopping in time-slotted based wireless network
Grant 8,363,693 - Fujiwara January 29, 2 | 2013-01-29 |
Systems, Methods And Apparatuses For Wireless Communication
App 20120281545 - FUJIWARA; Ryosuke ; et al. | 2012-11-08 |
Wireless sensor-network system, sensing terminal node, and base station
Grant 8,289,992 - Fujiwara , et al. October 16, 2 | 2012-10-16 |
Receiver
Grant 8,265,122 - Nakagawa , et al. September 11, 2 | 2012-09-11 |
Reciever, frequency deviation measuring unit and positioning and ranging system
Grant 8,073,465 - Nakagawa , et al. December 6, 2 | 2011-12-06 |
Adaptive Frequency Hopping In Time-slotted Based Wireless Network
App 20110255570 - FUJIWARA; Ryosuke | 2011-10-20 |
Reciever, frequency deviation measuring unit and positioning and ranging system
App 20110092223 - Nakagawa; Tatsuo ; et al. | 2011-04-21 |
Receiver, receiver for positioning system using the same, and positioning method
Grant 7,912,481 - Fujiwara , et al. March 22, 2 | 2011-03-22 |
Receiver, frequency deviation measuring unit and positioning and ranging system
Grant 7,881,684 - Nakagawa , et al. February 1, 2 | 2011-02-01 |
Receiving apparatus, communication apparatus and control apparatus using the same
Grant 7,830,953 - Fujiwara , et al. November 9, 2 | 2010-11-09 |
Receiver
App 20100103986 - Nakagawa; Tatsuo ; et al. | 2010-04-29 |
Wireless Sensor-network System, Sensing Terminal Node, And Base Station
App 20100103878 - FUJIWARA; Ryosuke ; et al. | 2010-04-29 |
Communications apparatus, communications system, and communications method
Grant 7,672,362 - Fujiwara , et al. March 2, 2 | 2010-03-02 |
Pulse generator and the transmitter with a pulse generator
Grant 7,664,161 - Norimatsu , et al. February 16, 2 | 2010-02-16 |
Receiver
Grant 7,664,163 - Nakagawa , et al. February 16, 2 | 2010-02-16 |
Radio Communication System And Radio Communication Method
App 20080298341 - FUJIWARA; Ryosuke ; et al. | 2008-12-04 |
Node location method, node location system and server
App 20080232297 - Mizugaki; Kenichi ; et al. | 2008-09-25 |
Positioning system
App 20080090588 - Mizugaki; Kenichi ; et al. | 2008-04-17 |
Receiver, Receiver For Positioning System Using The Same, And Positioning Method
App 20080075151 - FUJIWARA; Ryosuke ; et al. | 2008-03-27 |
Node position measuring system
Grant 7,321,575 - Mizugaki , et al. January 22, 2 | 2008-01-22 |
Terminal location system and positioning method
App 20070217379 - Fujiwara; Ryosuke ; et al. | 2007-09-20 |
Receiving apparatus, communication apparatus and control apparatus using the same
App 20070116104 - Fujiwara; Ryosuke ; et al. | 2007-05-24 |
Receiver, frequency deviation measuring unit and positioning and ranging system
App 20070060079 - Nakagawa; Tatsuo ; et al. | 2007-03-15 |
Pulse generator and the transmitter with a pulse generator
App 20060197618 - Norimatsu; Takayasu ; et al. | 2006-09-07 |
Location system and wireless base station
App 20060183485 - Mizugaki; Kenichi ; et al. | 2006-08-17 |
Node position measuring system
App 20060133271 - Mizugaki; Kenichi ; et al. | 2006-06-22 |
Receiver
App 20060120441 - Nakagawa; Tatsuo ; et al. | 2006-06-08 |
Communications apparatus, communications system, and communications method
App 20050152438 - Fujiwara, Ryosuke ; et al. | 2005-07-14 |
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