Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330240 | Housing and handling method for processing device | Yoshinao Shigehara, Katsuhiro Hirayama, Yukio Shiono | 2025-06-17 |
| 9376737 | Method for producing zinc alloy | Tokuji Okumura, Masahito Mutou, Taiji Mizuta, Yasunari Mizuta, Shinji Saeki +2 more | 2016-06-28 |
| 9283634 | Arc welding method and arc welding apparatus | Masahito Mutou, Tokuji Okumura, Takanori Suzuki, Shinya Oyama | 2016-03-15 |
| 8492675 | Laser welding Al and Fe members with Zn filler | Tokuji Okumura, Takanori Suzuki | 2013-07-23 |
| 7815094 | Method of manufacturing cylindrical body, and friction stir welding method | Shunsuke Sunahara, Haruo Machida, Yuu Igarashi, Tadashi Goto, Toshimasa Koshimizu +3 more | 2010-10-19 |
| 7556187 | Method of manufacturing cylindrical body, friction stir welding method, and friction stir welding device | Shunsuke Sunahara, Haruo Machida, Yuu Igarashi, Tadashi Goto, Toshimasa Koshimizu +3 more | 2009-07-07 |
| 7523554 | Method of manufacturing a wheel rim | Shizuo Kimura, Kenzo Takeda, Ikuo Kato, Yukio Uchiyama, Tadashi Goto +7 more | 2009-04-28 |
| 7367487 | Method for friction stir welding, jig therefor, member with friction stir-welded portion, and tool for friction stir welding | Toshihiro Murakawa, Satoshi Ohkubo | 2008-05-06 |