Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651783 | Surface treated copper film | Katsuyuki Tsuchida, Masashi Kumagai | 2010-01-26 |
| 6960391 | Carrier-attached copper foil and printed board using the copper foil | Takashi Natsume | 2005-11-01 |
| 6835241 | Surface treatment for copper foil | Katsuyuki Tsuchida, Masashi Kumagai | 2004-12-28 |