Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12303996 | Welded structure and friction stir welding device | Akiyoshi Miyawaki, Taichi Kurihara | 2025-05-20 |
| 12172228 | Friction stir welding device | Akiyoshi Miyawaki, Taichi Kurihara | 2024-12-24 |
| 12080862 | Method for separating members that were previously joined | Akiyoshi Miyawaki, Taichi Kurihara, Hiroyuki Nakai | 2024-09-03 |
| 11794275 | Bonding device and bonding method for friction stir bonding and resistance welding | Akiyoshi Miyawaki, Taichi Kurihara | 2023-10-24 |
| 11679446 | Friction stir welding apparatus | Akiyoshi Miyawaki, Taichi Kurihara | 2023-06-20 |
| 11376688 | Friction stir welding tool | Nobuyuki Funahira, Takuya Miyamoto, Ryo Kawahara, Akiyoshi Miyawaki, Keisuke Tsuta +1 more | 2022-07-05 |
| 11311961 | Friction stir welding tool | Akiyoshi Miyawaki, Keisuke Tsuta | 2022-04-26 |
| 11311962 | Friction stir welding tool | Keisuke Tsuta, Akiyoshi Miyawaki | 2022-04-26 |
| 11305376 | Friction stir welding tool | Keisuke Tsuta, Akiyoshi Miyawaki | 2022-04-19 |
| 10780521 | Metal composite and metal joining method | Yosuke Tokoro | 2020-09-22 |
| 10384305 | Metal joining method and metal-joined member | Yosuke Tokoro | 2019-08-20 |
| 10100870 | Transmission | Tomoya Takanashi, Yosuke Tokoro | 2018-10-16 |
| 9975201 | Friction stir welding apparatus | Mami Anzai, Ichiro Fujimoto, Masato Sato, Keisuke Tsuta, Ryouji Kitamura | 2018-05-22 |
| 9616520 | Friction stir welding member | Tsutomu Kobayashi, Tetsuya Miyahara, Shosuke Ohhama | 2017-04-11 |
| 9604331 | Processing apparatus | Naohiro Noma, Yukio Shoji, Tsutomu Kobayashi | 2017-03-28 |
| 9248522 | Friction stir welding apparatus | Tomoya Saitou, Hiroyasu Yamaguchi, Yukio Shoji, Tsutomu Kobayashi | 2016-02-02 |
| 9221233 | Dissimilar-material welded structure and welding method therefor | Tetsuya Miyahara, Shosuke Ohhama, Tsutomu Kobayashi | 2015-12-29 |
| 9193006 | Friction stir welding apparatus | Yukio Shoji, Tsutomu Kobayashi | 2015-11-24 |
| 9050688 | Friction stir welding apparatus | Hiroyasu Yamaguchi, Yukio Shoji, Tsutomu Kobayashi | 2015-06-09 |
| 8899468 | Friction stir welding tool | Tetsuya Miyahara, Shosuke Ohhama, Daisuke Fukunaga, Hiroyuki Matsufuji | 2014-12-02 |
| 8840006 | Friction-stir joining method | Keisuke Tsuta, Tsutomu Kobayashi, Shosuke Ohhama, Tetsuya Miyahara, Katsumi Komori +2 more | 2014-09-23 |
| 8701968 | Friction stir welder and method for friction stir welding | Tetsuya Miyahara, Fumiaki Fukuchi | 2014-04-22 |
| 8192886 | Fuel cell stack with power collecting terminals | Kimiharu Mizusaki, Tadashi Nishiyama, Toshiki Kawamura, Katsuhiko Kohyama | 2012-06-05 |
| 7748593 | Friction stir welding apparatus and method of operating same | Tetsuya Miyahara, Fumiaki Fukuchi | 2010-07-06 |
| 6974156 | Fuel tank structure | Masami Kosuge, Mitsuo Sugiyama, Morio Kuroki, Nagatsugu Mukaibo, Hiroshi Ogasa | 2005-12-13 |