Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9757811 | Method for treating surface of aluminum heat exchanger | Norizumi Matsui, Yuko Wada, Junsuke Hokka | 2017-09-12 |
| 9739544 | Surface treatment method for aluminum heat exchangers | Norizumi Matsui, Yuko Wada, Junsuki Hokka, Kenji Nakamura, Takayuki Hirose +1 more | 2017-08-22 |
| 9701806 | Surface treatment agent and surface treatment method | Kazufumi Yasuda, Hidekimi Hirasawa, Kenji Tsuge, Ryohei Shizuka | 2017-07-11 |