Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886732 | Friction stir welding device with detector for detecting torque current of friction stir welding tool | — | 2005-05-03 |
| 6708865 | Compound machining device and friction stir bonding method | — | 2004-03-23 |
| 6708867 | Friction stir welding method | — | 2004-03-23 |
| 6645132 | Compound machining device | — | 2003-11-11 |
| 5211031 | Scroll type compressor and refrigeration cycle using the same | Akira Murayama, Tadashi Fukuishi, Sigeaki Kuroda, Toshiaki Koyama, Tadao Ochiai +4 more | 1993-05-18 |