Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9269507 | Spring load adjustment structure of contact device and spring load adjustment method of contact device | Hideki Enomoto, Hirokazu Asakura, Tetsuya Yamada, Ritsu Yamamoto, Naoki Seki +2 more | 2016-02-23 |
| 9087655 | Contact device | Hideki Enomoto, Ritu Yamamoto, Yoshihisa Fukuda, Ryosuke Ozaki | 2015-07-21 |
| 9059523 | Contact apparatus | Hideki Enomoto, Ritu Yamamoto, Yoshihisa Fukuda, Ryosuke Ozaki | 2015-06-16 |