Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650047 | Electroluminescent device and process for producing the same | Daigo Aoki, Masato Okabe, Hironori Kobayashi, Manabu Yamamoto, Koji Arai +1 more | 2003-11-18 |
| 6573650 | Electroluminescent device and process for producing the same | Daigo Aoki, Masato Okabe, Hironori Kobayashi, Manabu Yamamoto, Koji Arai +1 more | 2003-06-03 |
| 6562474 | Coated steel sheet having excellent corrosion resistance and method for producing the same | Naoto Yoshimi, Satoru Ando, Masaru Sagiyama, Akihiko Furuta, Masaaki Yamashita +6 more | 2003-05-13 |
| 6509099 | Phosphate-treated steel plate | Kazuya Urata, Takahiro Kubota, Masaru Sagiyama, Satoru Ando, Masaaki Yamashita | 2003-01-21 |