Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352629 | Heat exchange element | Masaru Takada, Hajime Sotokawa, Yuichi Ishimaru, Takanori Imai, Hidemoto Arai +5 more | 2019-07-16 |
| 9903669 | Heat exchange element and air conditioner | Yuichi Ishimaru, Hajime Sotokawa, Masaru Takada, Takanori Imai, Fumiaki Baba +5 more | 2018-02-27 |
| 9664452 | Heat exchange element | Masaru Takada, Hajime Sotokawa, Yuichi Ishimaru, Takanori Imai, Hidemoto Arai +5 more | 2017-05-30 |