Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152526 | Surface treated doctor blade | Kazuya Urata, Naoyuki Oniwa | 2006-12-26 |
| 7150781 | Pyrophosphoric acid bath for use in copper-tin alloy plating | Kazuya Urata, Naoyuki Oniwa, Mikiya Tajima, Yukio Ogawa | 2006-12-19 |