Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11791119 | Relay | Ayaka MIYAKE, Koichiro Matsushima, Taira MINAMIZAKI | 2023-10-17 |
| 10811205 | Relay | Kaori Hayashida | 2020-10-20 |
| 10784055 | Contact piece unit and relay | Kaori Hayashida | 2020-09-22 |
| 10650996 | Relay | Kaori Hayashida | 2020-05-12 |
| 10580603 | Power switchgear | Natsumi Oyama, Koichiro Matsushima, Daisuke Ohtsubo | 2020-03-03 |
| 8963660 | Electromagnetic relay | Hiroyasu Tanaka | 2015-02-24 |
| 7932795 | Silent electromagnetic relay | Takeshi Nishiyama | 2011-04-26 |