Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012599 | Surface-treated steel sheet with excellent corrosion resistance and method for manufacturing same | Kenichi Sasaki, Naoto Yoshimi, Akira Matsuzaki, Kazuhisa Okai, Takao Ooshima +3 more | 2011-09-06 |
| 7517591 | Highly corrosion-resistant surface-treated steel sheet and method for producing same | Kenichi Sasaki, Naoto Yoshimi, Akira Matsuzaki, Kazuhisa Okai, Takao Ooshima +3 more | 2009-04-14 |
| 7323225 | Wettability changing layer and electronics device using same | Daigo Aoki, Masato Okabe, Hironori Kobayashi, Manabu Yamamoto, Koji Arai +1 more | 2008-01-29 |
| 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 |
| 6280535 | Manufacturing process on chromate-coated lead-containing galvanized steel sheet with anti-black patina property and anti-white rust property | Takahiro Kubota, Masaru Sagiyama, Yoshiharu Sugimoto, Masaaki Yamashita | 2001-08-28 |
| 5641578 | Weldable black steel sheet | Naoto Yoshimi, Masaaki Yamashita, Toshiyuki Ookuma, Toyofumi Watanabe, Tsutomu Watanabe | 1997-06-24 |
| 5609968 | Weldable colored steel sheet | Naoto Yoshimi, Toyofumi Watanabe, Masaaki Yamashita, Toshiyuki Ookuma | 1997-03-11 |
| 5393605 | Zinciferous plated steel sheet excellent in press-formability and corrosion resistance | Toshiyuki Okuma, Masaaki Yamashita, Toyofumi Watanabe, Norio Kosaka | 1995-02-28 |