Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709955 | Switch device and timepiece | — | 2017-07-18 |
SH
Sen Hirayama
Overall (2017): #249,541 of 506,227Top 50%
1
Patents 2017