Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589324 | Agent for treating metallic surface, surface-treated metal material and coated metal material | Hiroaki Kamo, Yasunari Hotta, Toshiyuki Shimizu | 2003-07-08 |
| 6040054 | Chromium-free, metal surface-treating composition and surface-treated metal sheet | Tomomi Takahashi, Toshiyuki Shimizu | 2000-03-21 |
| 6005029 | Organic composite-plated steel plate and resin composition for coating material used therein | Shin'ichi Kuwamura, Atsushi Miyagaki, Kiyoshi Ohnishi, Masahide Amemoto, Keitaro Shibata +2 more | 1999-12-21 |
| 5637403 | Organic composite-plated steel plate and resin composition for coating material used therein | Shin'ichi Kuwamura, Atsushi Miyagaki, Kiyoshi Ohnishi, Masahide Amemoto, Keitaro Shibata +2 more | 1997-06-10 |
| 5312531 | Process for manufacturing galvanized steel sheet by nickel pre-coating method | Kazumi Nishimura, Tetsuya Ohara, Ryohei Mizoguchi, Shigeto Fujii | 1994-05-17 |
| 5203985 | Process for manufacturing galvanized steel sheet by nickel pre-coating method | Kazumi Nishimura, Tetsuya Ohara, Ryohei Mizoguchi, Shigeto Fujii | 1993-04-20 |
| 4891273 | Multiple coated composite steel strip | Yoshihiko Hirano, Teruyoshi Hiraoka | 1990-01-02 |
| 4609594 | Process for producing cold rolled steel strip highly susceptible to conversion treatment and product thereof | Takao Saito, Yoshihiko Hirano | 1986-09-02 |
| 4381251 | Oxidation inhibitor | Minoru Kitayama | 1983-04-26 |
| 4227945 | Method for preventing decarburization of steel materials | Minoru Kitayama | 1980-10-14 |