Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9607430 | Gradation drawing device | Kotoyu SASAYAMA | 2017-03-28 |
SK
Shoichiro Kuboyama
Overall (2017): #244,552 of 506,227Top 50%
1
Patents 2017