Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332428 | Impregnating waterproof composition | Hiroshi Yoshioka, Ichiro Ono, Yasushi Nakaida | 1994-07-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332428 | Impregnating waterproof composition | Hiroshi Yoshioka, Ichiro Ono, Yasushi Nakaida | 1994-07-26 |