Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662516 | Hot-dip Al—Zn—Mg—Si coated steel sheet and method of producing same | Toshihiko Ooi, Yohei Sato, Yoichi Tobiyama, Toshiyuki Okuma, Masahiro Yoshida +3 more | 2020-05-26 |
| 8962153 | Hot-dip Zn—Al alloy coated steel sheet and producing method therefor | Hideo Koumura, Yoshito Furuya, Hideo Ogishi, Susumu Sato, Rie Umebayashi +2 more | 2015-02-24 |
| 7063889 | Resin film and manufacturing method for the same, and resin laminated metal sheet using said resin film and manufacturing method for the same | Yasuhide Yoshida, Hiroki Iwasa, Hiroshi Kubo, Takeshi Suzuki, Keiji Sugawara +1 more | 2006-06-20 |
| 6562474 | Coated steel sheet having excellent corrosion resistance and method for producing the same | Naoto Yoshimi, Satoru Ando, Masaru Sagiyama, Masaaki Yamashita, Akira Matsuzaki +6 more | 2003-05-13 |
| 5456816 | Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability and method for manufacturing same | Toyofumi Watanabe, Tadashi Ono, Yoshinori Yomura, Shuichi Iwado | 1995-10-10 |
| 5336567 | Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability | Toyofumi Watanabe, Tadashi Ono, Yoshinori Yomura, Shuichi Iwado | 1994-08-09 |
| 4877497 | Acidic electro-galvanizing solution | Tsutomu Watanabe | 1989-10-31 |