Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648710 | Blind guide device | Itsuki Ban, Yuji Mitsuta | 1987-03-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648710 | Blind guide device | Itsuki Ban, Yuji Mitsuta | 1987-03-10 |