Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188665 | Heat exchanging element and heat exchange ventilator | Tomoya Watanabe, Tsuyoshi TSUBOUCHI, Shunsaburo OKAWA, Hajime Sotokawa | 2025-01-07 |
| 8012787 | Photovoltaic device and manufacturing method thereof | Masato Yonezawa, Akihiro Takami, Hiroaki Morikawa, Kunihiko Nishimura | 2011-09-06 |