Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855663 | Carbon fibers for reinforcement of cement and cement composite material | Katsumi Takano, Yasushi Katsuta, Hideyuki Nakajima, Sadatoshi Ohno, Tadahiro Kakizawa +3 more | 1999-01-05 |
| 5686181 | Carbon fibers for reinforcement of cement and cement composite material | Katsumi Takano, Yasushi Katsuta, Hideyuki Nakajima, Sadatoshi Ohno, Tadahiro Kakizawa +3 more | 1997-11-11 |
| 5652058 | Carbon fiber rovings for reinforcement of concrete | Katsumi Takano, Sadatoshi Ohno, Toshio Yonezawa, Junichi Ida, Masaki Iwata | 1997-07-29 |
| 5536486 | Carbon fibers and non-woven fabrics | Yoshiyuki Nishimura | 1996-07-16 |
| 5035942 | Flexible materials for reflecting electromagnetic wave | Yoshiyuki Nishimura | 1991-07-30 |