Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983014 | Disconnector and overvoltage protection device | Masao Shibayama | 2011-07-19 |
| 7764481 | Overvoltage protective device and method of overvoltage protection | — | 2010-07-27 |