Issued Patents 2021
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174543 | Case hardening steel, method of producing case hardening steel, and method of producing gear part | Keisuke Ando, Takashi Iwamoto, Kunikazu Tomita, Kimihiro Nishimura | 2021-11-16 |
| 11118240 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Yusuke Terazawa, Naoki Takayama, Kenji Hayashi | 2021-09-14 |
| 11111555 | Method for producing rail | Minoru Honjo, Tatsumi Kimura, Katsuyuki Ichimiya | 2021-09-07 |
| 11111556 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Yusuke Terazawa, Naoki Takayama, Kenji Hayashi | 2021-09-07 |
| 11060172 | Abrasion-resistant steel plate and method of manufacturing same | Naoki Takayama, Yusuke Terazawa, Yoshiaki Murakami, Yusaku TAKEMURA, Yasuhiro Murota | 2021-07-13 |
| 11035018 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Yusuke Terazawa, Naoki Takayama, Kenji Hayashi | 2021-06-15 |
| 11035017 | Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate | Yusuke Terazawa, Naoki Takayama, Kenji Hayashi | 2021-06-15 |