Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686181 | Carbon fibers for reinforcement of cement and cement composite material | Katsumi Takano, Yasushi Katsuta, Yoshikazu Nagata, Sadatoshi Ohno, Tadahiro Kakizawa +3 more | 1997-11-11 |
| 5629062 | Fiber reinforced plastic pipe and process for producing the same | Hiroshi Ejiri | 1997-05-13 |