Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852630 | Short fiber preform, method of making it, and composite material manufactured from it | Kaneo Hamajima, Atsuo Tanaka, Masahiro Kubo | 1989-08-01 |
| 4804586 | Composite material including matrix metal and closed loop configuration reinforcing fiber component made of carbon fibers with moderate Young's modulus, and method for making the same | Atsuo Tanaka, Yoshiaki Kajikawa | 1989-02-14 |