Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461072 | Structure body for use in friction stir welding | Takeshi Kawasaki, Hideyuki Nakamura | 2002-10-08 |
| 6413610 | Structure body and a manufacturing method of a structure body | Hideyuki Nakamura, Takeshi Kawasaki, Toshiaki Makino | 2002-07-02 |
| 6386425 | Method of friction stir welding structural body, structural body, and extruded material | Takeshi Kawasaki | 2002-05-14 |
| 6378264 | Structure body and method of manufacture thereof | Takeshi Kawasaki, Masakuni Ezumi, Masaki Yono | 2002-04-30 |