Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409510 | Bonding device | Taichi Kurihara, Yuto IKE | 2025-09-09 |
| 12303996 | Welded structure and friction stir welding device | Mitsuru Sayama, Taichi Kurihara | 2025-05-20 |
| 12172228 | Friction stir welding device | Mitsuru Sayama, Taichi Kurihara | 2024-12-24 |
| 12080862 | Method for separating members that were previously joined | Mitsuru Sayama, Taichi Kurihara, Hiroyuki Nakai | 2024-09-03 |
| 11794275 | Bonding device and bonding method for friction stir bonding and resistance welding | Mitsuru Sayama, Taichi Kurihara | 2023-10-24 |
| 11679446 | Friction stir welding apparatus | Mitsuru Sayama, Taichi Kurihara | 2023-06-20 |
| 11376688 | Friction stir welding tool | Nobuyuki Funahira, Takuya Miyamoto, Ryo Kawahara, Mitsuru Sayama, Keisuke Tsuta +1 more | 2022-07-05 |
| 11311961 | Friction stir welding tool | Mitsuru Sayama, Keisuke Tsuta | 2022-04-26 |
| 11311962 | Friction stir welding tool | Keisuke Tsuta, Mitsuru Sayama | 2022-04-26 |
| 11305376 | Friction stir welding tool | Keisuke Tsuta, Mitsuru Sayama | 2022-04-19 |