Patent | Date |
---|
Radio Operation Management System and Radio Operation Assistant Method App 20210367689 - MIZUGAKI; Kenichi | 2021-11-25 |
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 |
Sensor Device Management Method And Sensor Device Management System App 20190368893 - KATAYAMA; Rintaro ;   et al. | 2019-12-05 |
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 |
Gateway wireless communication instrument, wireless communication system, and communication control method Grant 9,325,368 - Serizawa , et al. April 26, 2 | 2016-04-26 |
Wireless Communication System And Wireless Router App 20140293855 - Serizawa; Yasutaka ;   et al. | 2014-10-02 |
Wireless network system and wireless communication device Grant 8,755,296 - Miyazaki , et al. June 17, 2 | 2014-06-17 |
Gateway Wireless Communication Instrument, Wireless Communication System, And Communication Control Method App 20130235905 - SERIZAWA; YASUTAKA ;   et al. | 2013-09-12 |
Wireless Network System and Wireless Communication Device App 20120155301 - MIYAZAKI; Masayuki ;   et al. | 2012-06-21 |
Coordinator, Wireless Node And Wireless Communication System App 20110310748 - MIZUGAKI; Kenichi ;   et al. | 2011-12-22 |
Reciever, frequency deviation measuring unit and positioning and ranging system Grant 8,073,465 - Nakagawa , et al. December 6, 2 | 2011-12-06 |
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 |
Sensor with wireless communication function Grant 7,808,397 - Arita , et al. October 5, 2 | 2010-10-05 |
Communications apparatus, communications system, and communications method Grant 7,672,362 - Fujiwara , et al. March 2, 2 | 2010-03-02 |
Positioning system using radio signal sent from node Grant 7,627,329 - Mizugaki , et al. December 1, 2 | 2009-12-01 |
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 |
Sensor with wireless communication function Grant 7,339,489 - Arita , et al. March 4, 2 | 2008-03-04 |
Radio signal receiving method and radio signal receiver Grant 7,336,740 - Mizugaki , et al. February 26, 2 | 2008-02-26 |
Node position measuring system Grant 7,321,575 - Mizugaki , et al. January 22, 2 | 2008-01-22 |
Sensor with wireless communication function App 20070257791 - Arita; Hiroshi ;   et al. | 2007-11-08 |
Terminal location system and positioning method App 20070217379 - Fujiwara; Ryosuke ;   et al. | 2007-09-20 |
Receiver, frequency deviation measuring unit and positioning and ranging system App 20070060079 - Nakagawa; Tatsuo ;   et al. | 2007-03-15 |
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 |
Wireless communication apparatus Grant 7,013,111 - Kuwahara , et al. March 14, 2 | 2006-03-14 |
Communications apparatus, communications system, and communications method App 20050152438 - Fujiwara, Ryosuke ;   et al. | 2005-07-14 |
Positioning system using radio signal sent from node App 20050130669 - Mizugaki, Kenichi ;   et al. | 2005-06-16 |
Sensor with wireless communication function App 20050099289 - Arita, Hiroshi ;   et al. | 2005-05-12 |
Radio signal receiving method and radio signal receiver App 20050013392 - Mizugaki, Kenichi ;   et al. | 2005-01-20 |
Terminal and server for mobile terminal positioning system Grant 6,750,812 - Mizugaki , et al. June 15, 2 | 2004-06-15 |
Wireless communication apparatus App 20030162550 - Kuwahara, Mikio ;   et al. | 2003-08-28 |
Terminal and server for mobile terminal positioning system App 20030128163 - Mizugaki, Kenichi ;   et al. | 2003-07-10 |