Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5115279 | Fixing device | Hisashi Nishikawa, Ikuo Fujisawa | 1992-05-19 |
| 4758326 | Method of producing precursor pitches for carbon fibers | Kozo Yudate, Mamoru Kamishita | 1988-07-19 |
| 4589975 | Method of producing a precursor pitch for carbon fiber | Kozo Yudate, Mamoru Kamishita, Ken Nagasawa | 1986-05-20 |