Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10490398 | Manufacturing method of monocrystalline silicon and monocrystalline silicon | Tsuyoshi Nakamura, Eiichi Kawasaki, Yoshihiro Oshiro | 2019-11-26 |
| 10393154 | Actuator and fluid pressure control circuit having the same | Tomoaki Mukai, Shunsuke Yoshida | 2019-08-27 |
| 10317842 | Timepiece mainspring, timepiece drive device, timepiece movement, timepiece, and manufacturing method of timepiece mainspring | Keisuke Nakata, Masao Takeuchi | 2019-06-11 |