Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6273830 | Tapered hollow shaft | Shinichi Takemura, Hideyuki Ohno, Tomohiro Nakanishi, Yutaka Arai | 2001-08-14 |
| 5552214 | Unidirectional prepreg and carbon fiber reinforced composite materials comprising pitch-based carbon fibers and polyacrylonitrile-based carbon fibers | Kenji Kobomura, Hiromi Kimura, Hideo Osone, Michiya Hayashida, Nobuyuki Tsuji | 1996-09-03 |
| 4420512 | Emulsion type sizing agent for carbon fibers, process for its preparation, and method for using same | Hiroyasu Ogawa | 1983-12-13 |