Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11376688 | Friction stir welding tool | Nobuyuki Funahira, Takuya Miyamoto, Ryo Kawahara, Akiyoshi Miyawaki, Mitsuru Sayama +1 more | 2022-07-05 |
| 11311961 | Friction stir welding tool | Mitsuru Sayama, Akiyoshi Miyawaki | 2022-04-26 |
| 11311962 | Friction stir welding tool | Mitsuru Sayama, Akiyoshi Miyawaki | 2022-04-26 |
| 11305376 | Friction stir welding tool | Mitsuru Sayama, Akiyoshi Miyawaki | 2022-04-19 |
| 9975201 | Friction stir welding apparatus | Mami Anzai, Ichiro Fujimoto, Masato Sato, Mitsuru Sayama, Ryouji Kitamura | 2018-05-22 |
| 8840006 | Friction-stir joining method | Mitsuru Sayama, Tsutomu Kobayashi, Shosuke Ohhama, Tetsuya Miyahara, Katsumi Komori +2 more | 2014-09-23 |