Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011875 | Corrosion resistant, water expandable composition | Yuji Yamamoto, Hiroshi Tanaka, Ryo Ashikawa, Tatsuo Ishida | 1991-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011875 | Corrosion resistant, water expandable composition | Yuji Yamamoto, Hiroshi Tanaka, Ryo Ashikawa, Tatsuo Ishida | 1991-04-30 |