Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722285 | Railway car | Hideyuki Nakamura, Sumio Okuno, Toshiaki Makino | 2004-04-20 |
| 6568872 | Connection member for friction stir welding | Takeshi Kawasaki, Hideyuki Nakamura | 2003-05-27 |
| 6532712 | Structural body and method of manufacture thereof | Takeshi Kawasaki, Masakuni Ezumi, Masaki Yono | 2003-03-18 |
| 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 |
| 6290117 | Friction stir welding method and friction stir welding apparatus | Takeshi Kawasaki, Masakuni Ezumi | 2001-09-18 |
| 6276591 | Friction stir joining method | Takeshi Kawasaki, Hideyuki Nakamura | 2001-08-21 |
| 4527125 | Flame detecting apparatus | Motoshi Miyanaka, Kenzi Toudo | 1985-07-02 |