Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10365319 | Apparatus for determining deterioration of photocoupler | — | 2019-07-30 |
| 8786992 | Electrical apparatus with higher durability against surges | Junichi Fujiwara, Yosuke Watanabe | 2014-07-22 |