Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8711543 | Electrifying roller | Junichi Takano, Hirotaka Tagawa, Daijirou Sirakura | 2014-04-29 |
| 8642148 | Electrifying roller | Hirotaka Tagawa, Junichi Takano, Daijirou Sirakura | 2014-02-04 |