Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5510185 | Carbon fiber chopped strands and coating dispersion used for producing same | Eiji Fujisawa, Hiroaki Shono, Ichiro Fujishima | 1996-04-23 |
| 4758326 | Method of producing precursor pitches for carbon fibers | Yukihiro Ohsugi, Mamoru Kamishita | 1988-07-19 |
| 4589975 | Method of producing a precursor pitch for carbon fiber | Yukihiro Ohsugi, Mamoru Kamishita, Ken Nagasawa | 1986-05-20 |
| 4578177 | Method for producing a precursor pitch for carbon fiber | Ken Nagasawa | 1986-03-25 |
| 4575412 | Method for producing a precursor pitch for carbon fiber | Ken Nagasawa | 1986-03-11 |