Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891675 | Duplex stainless clad steel plate and method of producing same | Hirofumi Ohtsubo, Tomoyuki Yokota | 2024-02-06 |
| 11692252 | Duplex stainless clad steel plate and method of producing same | Hirofumi Ohtsubo, Tomoyuki Yokota | 2023-07-04 |
| 11628512 | Clad steel plate and method of producing the same | Ryosuke Sakai, Junji Shimamura, Tomoyuki Yokota | 2023-04-18 |
| 10351926 | High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same | Hirofumi Ohtsubo, Shigeki Kitsuya, Katsuyuki Ichimiya, Kazukuni Hase | 2019-07-16 |
| 10207477 | Stainless steel clad steel plate including cladding material for stainless steel clad steel plate and method of manufacturing the same | Keiichiro Kishi, Yoshihiro Yazawa, Shunichi Tachibana, Toshiyuki Hoshino | 2019-02-19 |