Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9659727 | Switch | Yoshiaki Ohda, Tadashi Koshizuka, Masayuki Sato, Yuki Matsui | 2017-05-23 |
| 9508514 | Switchgear operating mechanism | Yoshiaki Ohda, Tadashi Koshizuka, Masayuki Ando | 2016-11-29 |