Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743392 | Production device and method for opened fiber bundle and prepreg production method | Kiyotsugu Tanaka, Hiroshi Ohtani, Hidetaka Matsumae, Seiji Tsuji | 2004-06-01 |
| 6094791 | Method and apparatus for opening reinforcing fiber bundle and method of manufacturing prepreg | Hidetaka Matsumae, Tohru Hanano, Toshihide Sekido | 2000-08-01 |