Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12293891 | Electromagnetic relay with driveshaft stopper | Kohei OTSUKA, Ryota Minowa, Hiroyuki Iwasaka, Shinichi Ogawa | 2025-05-06 |
| 12261004 | Electromagnetic relay | Kohei OTSUKA, Hiroyuki Iwasaka, Ryota Minowa, Shinichi Ogawa | 2025-03-25 |
| 11710605 | Power relay having terminal tabs | Hiroyuki Iwasaka, Kazuki Furukawa, Shinichi Ogawa, Hiroyuki Harimochi | 2023-07-25 |