Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10330716 | Earth fault detector with flying capacitor | Ryosuke ARIGAYA, Yoshihiro Kawamura | 2019-06-25 |
| 9633810 | Combination switch | Yoshizumi Hirayama, Hidetoshi Ichiyanagi | 2017-04-25 |
| 9199539 | Insulated state detection device | Misaki Kimura | 2015-12-01 |