Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891267 | Carbon fiber cord for rubber reinforcement and process for producing the same | Shuji Takahashi, Yasuo Suzuki, Hiroyasu Ogawa | 1990-01-02 |
| 4671950 | High-strength carbonaceous fiber | Hiroyasu Ogawa, Tetsuro Shigei, Hiroshi Sugeno | 1987-06-09 |