Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224139 | Coil device | Masaru Shinoda, Kiyoto Ono, Tetsu Yamanaka, Mikio Kitaoka | 2019-03-05 |
| 9978491 | Choke coil | Masaru Ota, Mikio Kitaoka | 2018-05-22 |
| 9568500 | Electrical test probe | Hideki Hirakawa | 2017-02-14 |
| 8698585 | High power inductance device | Takashi Takiguchi, Mikio Kitaoka, Satoshi Ota | 2014-04-15 |