Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12347945 | Wireless communication device | Yuuji Kakuya, Masakazu Ikeda, Tomokazu MIYASHITA, Ryozo Fujii, Masashi Urabe +1 more | 2025-07-01 |
| 12269480 | Vehicular position estimation system | Youhei SEKIYA, Takashi Shinoda, Kazuhiro Nakashima | 2025-04-08 |
| 12184345 | Positioning system | Nobuyasu OKABE, Nobuyoshi Nagai | 2024-12-31 |
| 12142852 | Antenna device for parallel resonance | Masakazu Ikeda, Yuuji Kakuya, Nobuyasu OKABE | 2024-11-12 |
| 12009609 | Antenna device | Masakazu Ikeda, Yuuji Kakuya, Nobuyasu OKABE, Hiroyuki Izumi | 2024-06-11 |
| 11654730 | Tire system | Yoichiro SUZUKI, Takatoshi Sekizawa, Naohito Takasuka | 2023-05-23 |
| 11630194 | Position determination system | Hidenori Osai, Taichi Yamaguchi, Kazunari Nakamura, Munenori Matsumoto, Takashi Shinoda | 2023-04-18 |
| 11467028 | Road surface state determination device | Yoichiro SUZUKI, Hidenori Osai, Takatoshi Sekizawa | 2022-10-11 |
| 11388556 | Position determination system | Taichi Yamaguchi, Kazunari Nakamura, Takashi Shinoda | 2022-07-12 |
| 11320513 | Portable device position estimation system | Tetsuya KUSUMOTO, Takashi Shinoda | 2022-05-03 |
| 11243303 | Portable terminal position detection apparatus | Hidenori Osai, Takatoshi Sekizawa | 2022-02-08 |
| 11208074 | Vehicle electronic key system | Tetsuya KUSUMOTO, Takashi Shinoda | 2021-12-28 |
| 11027701 | Location determination system | Taichi Yamaguchi, Munenori Matsumoto, Noritaka HIRAO | 2021-06-08 |
| 10893386 | Mobile terminal position detecting device | Taichi Yamaguchi, Munenori Matsumoto | 2021-01-12 |
| 10771941 | Vehicle system device and vehicle system | Tetsuya KUSUMOTO, Takashi Saitou, Koji Sakamoto | 2020-09-08 |
| 10328901 | User identification system and vehicular portable device | Noritaka HIRAO, Suguru Matsushita, Takatoshi Sekizawa, Yasuhiro Tanaka, Mitsugi Ohtsuka | 2019-06-25 |
| 10157542 | User identification system and vehicular portable device | Noritaka HIRAO, Suguru Matsushita | 2018-12-18 |
| 9980081 | Communication device | Suguru Matsushita, Tatuya Katoh, Noritaka HIRAO, Koji Nakao | 2018-05-22 |
| 9751497 | Vehicle control apparatus | Tatuya Katoh, Noritaka HIRAO, Suguru Matsushita, Koji Nakao | 2017-09-05 |
| 9637086 | Smart system | Munenori Matsumoto, Takatoshi Sekizawa | 2017-05-02 |
| 9401081 | Vehicle communication device | Tetsuo Itoh | 2016-07-26 |
| 8477826 | Wireless communication system | Akira Takaoka, Hiromichi Naitoh, Masahiro Sugiura | 2013-07-02 |
| 8270455 | Wireless communication system | Akira Takaoka, Hiromichi Naito | 2012-09-18 |
| 8265126 | Receiving device for spread spectrum communication | Akira Takaoka, Hiromichi Naitoh | 2012-09-11 |
| 8073421 | Radio signal receiver device | Akira Takaoka, Hiromichi Naito | 2011-12-06 |