Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338224 | Water proofing compositions for cement mortar or concrete | Toshihiro Fujii | 1982-07-06 |
| 4193831 | Water proofing compositions for cement mortar or concrete and method employing same | Toshihiro Fujii | 1980-03-18 |