Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325084 | Friction stir welding attachment, friction stir welding head, and friction stir welding device | Kouichi Katoh, Hirohiko Matsuzaki | 2025-06-10 |
| 12285817 | Friction stir joining attachment, friction stir joining head, and friction stir joining apparatus | Kouichi Katoh, Hirohiko Matsuzaki | 2025-04-29 |
| 10744852 | Vehicular air-conditioning device | Takeshi Wakisaka, Kazuya Nishiuma, Yoshinori Ichishi, Takayuki Shimauchi, Makoto Inoue +4 more | 2020-08-18 |
| 7882913 | Cooling module | Akihiro Maeda, Kazuya Murata, Kenichi Maruyama | 2011-02-08 |
| 6260766 | Heating apparatus for vehicle | Toshio Morikawa, Hajime Ito, Sadahisa Onimaru, Mitsuo Inagaki, Hirohito Matsui +1 more | 2001-07-17 |