Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8514039 | Electric relay | Katsunori Yagi, Hayato Yamauchi | 2013-08-20 |
| 8106731 | Electromagnetic switch for starter | Hayato Yamauchi, Haruki Nakayama, Yoshihiro Nishikawa | 2012-01-31 |