Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33537 | Ultrahigh strength carbon fibers | Tohru Hiramatsu, Tomitake Higuchi | 1991-02-12 |
| 4637925 | Ultrahigh strength carbon fibers | Tohru Hiramatsu, Tomitake Higuchi | 1987-01-20 |
| 4600572 | Ultrahigh strength carbon fibers | Tohru Hiramatsu, Tomitake Higuchi | 1986-07-15 |