Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292460 | Method of manufacturing a high bulk density carbon fiber felt | Hirofumi Kyutoku, Kouichi Yamamoto | 1994-03-08 |
| 5145732 | High bulk density carbon fiber felt and thermal insulator | Hirofumi Kyutoku, Kouichi Yamamoto | 1992-09-08 |
| 4996102 | Composite non-woven fabric material | Hirofumi Kyutoku, Hiroyuki Matsuoka | 1991-02-26 |