Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10101413 | Magnetic field detection device | Tamon Kasajima, Akihiro Ogawa | 2018-10-16 |
| 9983273 | Magnetic field detecting sensor and magnetic field detecting apparatus using the same | Akihiro Ogawa, Tamon Kasajima | 2018-05-29 |
| 9942636 | Vehicle-mounted speaker system | Ryo Ito, Akio Suzuki | 2018-04-10 |