Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6135384 | Device for detecting near end state of roll of paper | Kohichi Yoshida | 2000-10-24 |
| 6024322 | Device for detecting near end state of roll of paper | Kohichi Yoshida | 2000-02-15 |