Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D609545 | Grindstone | Katsuji Sunagawa, Izumi Araki, Eiki Sakaguchi | 2010-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D609545 | Grindstone | Katsuji Sunagawa, Izumi Araki, Eiki Sakaguchi | 2010-02-09 |