Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118240 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Naoki Takayama, Kenji Hayashi, Kazukuni Hase | 2021-09-14 |
| 11111556 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Naoki Takayama, Kenji Hayashi, Kazukuni Hase | 2021-09-07 |
| 11060172 | Abrasion-resistant steel plate and method of manufacturing same | Naoki Takayama, Yoshiaki Murakami, Kazukuni Hase, Yusaku TAKEMURA, Yasuhiro Murota | 2021-07-13 |
| 11035017 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Naoki Takayama, Kenji Hayashi, Kazukuni Hase | 2021-06-15 |
| 11035018 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Naoki Takayama, Kenji Hayashi, Kazukuni Hase | 2021-06-15 |
| 10450627 | Thick steel plate having good multipass weld joint CTOD characteristics and method for manufacturing the same | Katsuyuki Ichimiya, Kazukuni Hase | 2019-10-22 |
| 10443110 | High toughness and high tensile strength thick steel plate and production method therefor | Shigeki Kitsuya, Katsuyuki Ichimiya, Kazukuni Hase, Teruhisa Kinugawa, Naoki Matsunaga +3 more | 2019-10-15 |
| 10041159 | Thick steel plate and production method for thick steel plate | Katsuyuki Ichimiya, Kenji Hayashi | 2018-08-07 |
| 10036079 | Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet | Katsuyuki Ichimiya, Kazukuni Hase, Shigeru Endo | 2018-07-31 |
| 10023946 | Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet | Katsuyuki Ichimiya, Kazukuni Hase, Shigeru Endo | 2018-07-17 |
| 9790579 | High tensile strength steel plate having excellent weld heat-affected zone low-temperature toughness and method for producing same | Masao Yuga, Shigeki Kitsuya, Minoru Suwa, Kenji Hayashi | 2017-10-17 |