Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524723 | Copper foil for printed circuit boards and its surface treatment method | Masaru Hirose | 2003-02-25 |
| 6419811 | Method for surface treatment of copper foil | Hisanori Manabe, Masaru Hirose | 2002-07-16 |