Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12340956 | DC high-voltage relay, and contact material for DC high-voltage relay | Tetsuya Nakamura, Nobuhito Yanagihara | 2025-06-24 |
| 11309141 | DC high voltage relay and contact material for DC high-voltage relay | Tetsuya Nakamura, Hiroyuki Itakura, Nobuhito Yanagihara | 2022-04-19 |