Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320912 | Positioning system | Kenichirou SANJI, Masakazu Ikeda, Yuuji Kakuya | 2025-06-03 |
| 12184345 | Positioning system | Kenichiro Sanji, Nobuyoshi Nagai | 2024-12-31 |
| 12142852 | Antenna device for parallel resonance | Masakazu Ikeda, Yuuji Kakuya, Kenichiro Sanji | 2024-11-12 |
| 12013476 | Positioning system | Kenichirou SANJI, Masakazu Ikeda, Yuuji Kakuya | 2024-06-18 |
| 12009609 | Antenna device | Masakazu Ikeda, Yuuji Kakuya, Kenichiro Sanji, Hiroyuki Izumi | 2024-06-11 |
| 11736929 | Vehicle system, in-vehicle device, and terminal locating method | Ryozou Fujii | 2023-08-22 |
| 11691595 | Vehicle control system, mobile terminal, and in-vehicle device | Nobuyoshi Nagai | 2023-07-04 |