Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685902 | Carbon fiber-reinforced concrete and method for preparing the same | Mitsuru Awata, Akira Shiraki | 1997-11-11 |
| 5679149 | Short carbon fiber chopped strands and short carbon fiber reinforced hydraulic composite materials | Mitsuru Awata, Akira Shiraki | 1997-10-21 |