Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879345 | Chemical conversion agent and chemical conversion coating film | Norizumi Matsui, Yuko Wada, Akihiro Mizuno | 2018-01-30 |
| 9757811 | Method for treating surface of aluminum heat exchanger | Norizumi Matsui, Yuko Wada, Akihiro Mizuno | 2017-09-12 |