Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837080 | Rolled steel bar or rolled wire rod for cold-forged component | Naoki Matsui, Yutaka Neishi, Akihisa Obata, Shoji Hori, Keisuke CHIBA | 2020-11-17 |
| 10829842 | Rolled steel bar or rolled wire rod for cold-forged component | Naoki Matsui, Yutaka Neishi, Akihisa Obata, Shoji Hori, Keisuke CHIBA | 2020-11-10 |
| 10669604 | Bolt | Yutaka Neishi, Makoto Kosaka, Naoki Matsui, Keisuke CHIBA, Hideo Kanisawa +3 more | 2020-06-02 |
| 8951365 | High strength steel and high strength bolt excellent in delayed fracture resistance and methods of production of same | Daisuke Hirakami, Toshimi Tarui | 2015-02-10 |
| 8876988 | Steel for nitriding and nitrided part | Manabu Kubota, Toshimi Tarui, Daisuke Hirakami, Masayuki Hashimura | 2014-11-04 |