Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11778512 | Wireless management system and wireless management method | — | 2023-10-03 |
| 11544111 | Sensor device, sensor device management system, and sensor device management method | Rintaro Katayama, Ryosuke Fujiwara | 2023-01-03 |
| 11133900 | Sensor device management method and sensor device management system | Rintaro Katayama, Ryosuke Fujiwara | 2021-09-28 |
| 10996076 | Sensor device management method and sensor device management system | Rintaro Katayama, Ryosuke Fujiwara | 2021-05-04 |
| 10923793 | Antenna device, manhole cover equipped with antenna device, and power distribution panel equipped with same | Masami OONISHI, Ryosuke Fujiwara, Rintaro Katayama | 2021-02-16 |
| 9325368 | Gateway wireless communication instrument, wireless communication system, and communication control method | Yasutaka Serizawa, Takashi Yano, Masayuki Miyazaki | 2016-04-26 |
| 8755296 | Wireless network system and wireless communication device | Masayuki Miyazaki, Masaru Kokubo, Hideyuki Nagaishi, Nobuhisa Kobayashi | 2014-06-17 |
| 8073465 | Reciever, frequency deviation measuring unit and positioning and ranging system | Tatsuo Nakagawa, Masayuki Miyazaki, Ryosuke Fujiwara | 2011-12-06 |
| 7912481 | Receiver, receiver for positioning system using the same, and positioning method | Ryosuke Fujiwara, Masayuki Miyazaki | 2011-03-22 |
| 7881684 | Receiver, frequency deviation measuring unit and positioning and ranging system | Tatsuo Nakagawa, Masayuki Miyazaki, Ryosuke Fujiwara | 2011-02-01 |
| 7808397 | Sensor with wireless communication function | Hiroshi Arita, Masaru Kokubo | 2010-10-05 |
| 7672362 | Communications apparatus, communications system, and communications method | Ryosuke Fujiwara | 2010-03-02 |
| 7627329 | Positioning system using radio signal sent from node | Toshiyuki Odaka, Shoichi Masui | 2009-12-01 |
| 7339489 | Sensor with wireless communication function | Hiroshi Arita, Masaru Kokubo | 2008-03-04 |
| 7336740 | Radio signal receiving method and radio signal receiver | Hideya Suzuki | 2008-02-26 |
| 7321575 | Node position measuring system | Ryosuke Fujiwara | 2008-01-22 |
| 7013111 | Wireless communication apparatus | Mikio Kuwahara, Atsushi Ogino, Kenzaburo Fujishima | 2006-03-14 |
| 6750812 | Terminal and server for mobile terminal positioning system | Atsushi Ogino, Hideya Suzuki | 2004-06-15 |