Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7344785 | Copper foil for printed circuit board, method for fabricating same, and trivalent chromium conversion treatment solution used for fabricating same | Shingo Watanabe, Gen Sasaki, Yasuyuki Ito, Katsumi Nomura | 2008-03-18 |
| 7108923 | Copper foil for printed circuit board with taking environmental conservation into consideration | Yasuyuki Ito, Katsuyuki Matsumoto, Kenji Yokomizo, Yasuhiro Kusano, Shinichiro Shimizu +1 more | 2006-09-19 |