Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867625 | Copper-tin-oxygen alloy plating | Kazuhito Kitagawa, Yukio Ogawa, Kenji Kasegawa | 2011-01-11 |
| 7157152 | Copper-tin-oxygen alloy plating | Kazuhiro Kitagawa, Yukio Ogawa, Kenji Hasegawa | 2007-01-02 |
| 7152526 | Surface treated doctor blade | Naoyuki Oniwa, Kunio Tachibana | 2006-12-26 |
| 7150781 | Pyrophosphoric acid bath for use in copper-tin alloy plating | Kunio Tachibana, Naoyuki Oniwa, Mikiya Tajima, Yukio Ogawa | 2006-12-19 |
| 6509099 | Phosphate-treated steel plate | Takahiro Kubota, Masaru Sagiyama, Satoru Ando, Tatsuya Miyoshi, Masaaki Yamashita | 2003-01-21 |
| 6015628 | Organic composite coated steel sheet with good press formability and perforation corrosion resistance | Naoto Yoshimi, Takahiro Kubota, Masaaki Yamashita, Yasuhiko Haruta | 2000-01-18 |