Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |