Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8809696 | Method for surface treatment of copper and copper | Sumiko Nakajima, Sadao Itou, Fumio Inoue, Shigeharu Arike | 2014-08-19 |
| 7588835 | Method of treating the surface of copper and copper | Yasuo Inoue, Masaharu Matsuura, Toyoki Ito, Akira Shimizu, Fumio Inoue +1 more | 2009-09-15 |