Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964913 | High bending strength, large impact strength hydraulic substances reinforced with acrylonitrile fibers and a process for production thereof | Takashi Takada | 1990-10-23 |
| 4861659 | High tenacity acrylonitrile fibers and a process for production thereof | Takashi Takada, Hiroyoshi Tanaka, Mitsuo Suzuki | 1989-08-29 |