Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8296932 | Manufacturing equipment for electric resistance welding pipes having excellent characterization for welded seam | Kazuhito Kenmochi, Takatoshi Okabe, Hiroyasu Yokoyama, Hiroyuki Shirosawa, Yuji Sugimoto +2 more | 2012-10-30 |
| 7887649 | High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same | Shunsuke Toyoda, Masatoshi Aratani, Yoshikazu Kawabata, Yuji Hashimoto, Koji Suzuki +3 more | 2011-02-15 |