Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428698 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Hitoshi Sueyoshi, Tomoyuki Yokota | 2025-09-30 |
| 12180572 | Wear-resistant steel plate and method for producing same | Naoki Takayama, Yoshiaki Murakami | 2024-12-31 |
| 11959157 | High-Mn steel and method of producing same | Daichi IZUMI, Keiji Ueda, Koichi Nakashima | 2024-04-16 |
| 11819909 | Method for manufacturing high-manganese steel cast slab and method for manufacturing high-manganese steel slab or steel sheet | Yoichi Ito, Norichika Aramaki, Koichi Nakashima | 2023-11-21 |
| 10443110 | High toughness and high tensile strength thick steel plate and production method therefor | Katsuyuki Ichimiya, Kazukuni Hase, Teruhisa Kinugawa, Naoki Matsunaga, Kenji Hayashi +3 more | 2019-10-15 |
| 10358688 | Steel plate and method of producing same | Katsuyuki Ichimiya, Kazukuni Hase, Shigeru Endo | 2019-07-23 |
| 10351926 | High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same | Yota Kuronuma, Hirofumi Ohtsubo, Katsuyuki Ichimiya, Kazukuni Hase | 2019-07-16 |
| 10000833 | Thick, tough, high tensile strength steel plate and production method therefor | Naoki Matsunaga, Katsuyuki Ichimiya, Kazukuni Hase, Shigeru Endo | 2018-06-19 |
| 9945015 | High-tensile steel plate giving welding heat-affected zone with excellent low-temperature toughness, and process for producing same | Masao Yuga, Kenji Hayashi, Minoru Suwa | 2018-04-17 |
| 9790579 | High tensile strength steel plate having excellent weld heat-affected zone low-temperature toughness and method for producing same | Masao Yuga, Yusuke Terazawa, Minoru Suwa, Kenji Hayashi | 2017-10-17 |