Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665464 | Carbon fiber-reinforced carbon composite material and process for the preparation thereof | Jun Takayasu, Eiki Tsushima, Takayuki Izumi | 1997-09-09 |
| 5661744 | Excimer laser beam irradiation apparatus for optically processing workpiece | Hajime Nakatani, Atsushi Sugitatsu, Tadao Minagawa, Toshinori Yagi, Keiko Ito | 1997-08-26 |