Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33537 | Ultrahigh strength carbon fibers | Tohru Hiramatsu, Yohji Matsuhisa | 1991-02-12 |
| 4917836 | Process for producing high-strength, high-modulus carbon fibers | Shoji Yamane, Katsumi Yamasaka | 1990-04-17 |
| 4850186 | Thread of carbon fiber | Tohru Hiramatsu, Akira Nishimura | 1989-07-25 |
| 4637925 | Ultrahigh strength carbon fibers | Tohru Hiramatsu, Yohji Matsuhisa | 1987-01-20 |
| 4600572 | Ultrahigh strength carbon fibers | Tohru Hiramatsu, Yohji Matsuhisa | 1986-07-15 |
| 4207376 | Antistatic filaments having an internal layer comprising carbon particles and process for preparation thereof | Tadahito Nagayasu | 1980-06-10 |