Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679944 | Leakage water cut-off agent and method of preventing water leakage | Yuji Ito, Akemi Shiraishi | 2004-01-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679944 | Leakage water cut-off agent and method of preventing water leakage | Yuji Ito, Akemi Shiraishi | 2004-01-20 |