Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835487 | Stainless steel separator for fuel cells, method for making the same, and solid polymer fuel cell including the same | Kenji Takao, Takeshi Yokota, Shin Ishikawa, Kazuhide Ishii, Shigeru Takano | 2004-12-28 |
| 6818074 | High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same | Saiji Matsuoka, Tetsuo Shimizu, Kei Sakata | 2004-11-16 |
| 6814819 | Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property | Saiji Matsuoka, Tetsuo Shimizu, Kei Sakata | 2004-11-09 |
| 6740174 | Soft Cr-containing steel | Atsushi Miyazaki, Junichiro Hirasawa, Mineo Muraki, Yoshihiro Yazawa | 2004-05-25 |
| 6737018 | Corrosion-resistant chromium steel for architectural and civil engineering structural elements | Hiroki Ota, Takumi Ujiro, Junichiro Hirasawa | 2004-05-18 |
| 6733601 | Ferritic stainless steel sheet with excellent workability | Yoshihiro Yazawa, Mineo Muraki, Yoshihiro Ozaki, Kunio Fukuda, Yukihiro Baba | 2004-05-11 |
| 6692584 | High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same | Kei Sakata, Akio Tosaka | 2004-02-17 |
| 6676774 | Hot rolled steel plate and cold rolled steel plate being excellent in strain aging hardening characteristics | Saiji Matsuoka, Tetsuo Shimizu, Kei Sakata | 2004-01-13 |