Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277973 | Carbon fibers having high strength and high modulus of elasticity and polymer composition for their production | Takemi Yamamura, Toshihiro Ishikawa, Yasuhiro Sioji, Masaki Shibuya | 1994-01-11 |