Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6989510 | Non-copper-plated solid wire for carbon dioxide gas shielded arc welding | Geun Chul Song, Yong Chul Kim | 2006-01-24 |
| 6787735 | Welding solid wire with high feeding performance | Byungro Park, Dongsu Hwang | 2004-09-07 |
| 6752880 | Quenched and tempered steel wire with excellent cold forging properties | Soon-Tae Ahn | 2004-06-22 |
| 5762724 | High strength steel strand for prestressed concrete and method for manufacturing the same | Masao Yamada, Masaru Kodama, Toshiki Suwa, Nobuhiko Ibaraki, Masato Kaiso | 1998-06-09 |
| 5716466 | Stainless steel wire product | Suchun Fang, Kishio Tamai | 1998-02-10 |
| 5545482 | Two-phase stainless steel wire rope having high fatigue resistance and corrosion resistance | Kishio Tamai, Hiroshi Masutani | 1996-08-13 |
| 5439713 | Steel wire coated with Fe-Zn-Al alloys and method for producing the same | Tetsuro Noma | 1995-08-08 |
| 5380407 | Method for facilitating distinction between different steel products | Keiji Hattori, Masaru Kodama, Hirofumi Ueki | 1995-01-10 |
| 4889567 | High strength and high toughness steel bar, rod and wire and the process of producing the same | Tadayoshi Fujiwara, Kazuichi Hamada, Yoshiro Yamada, Yasunobu Kawaguchi, Yasuhiro Oki +2 more | 1989-12-26 |