Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4501783 | Non-slip floor material | Yoshiaki Hiragami, Yozi Kawaguchi | 1985-02-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4501783 | Non-slip floor material | Yoshiaki Hiragami, Yozi Kawaguchi | 1985-02-26 |