Issued Patents 2021
Showing 1–5 of 5 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 |