Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837080 | Rolled steel bar or rolled wire rod for cold-forged component | Naoki Matsui, Yutaka Neishi, Tetsushi Chida, Akihisa Obata, Shoji Hori | 2020-11-17 |
| 10829842 | Rolled steel bar or rolled wire rod for cold-forged component | Naoki Matsui, Yutaka Neishi, Tetsushi Chida, Akihisa Obata, Shoji Hori | 2020-11-10 |
| 10752969 | Steel for suspension spring and method of manufacturing same | Manabu Kubota, Koichi Banno, Ryuuichi Seki | 2020-08-25 |
| 10669604 | Bolt | Yutaka Neishi, Makoto Kosaka, Naoki Matsui, Tetsushi Chida, Hideo Kanisawa +3 more | 2020-06-02 |