Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401568 | Steel material for line pipes, method for producing the same, and method for producing line pipe | Kyono Yasuda, Tomoyuki Yokota, Akihiko Tanizawa, Ryuji Muraoka | 2022-08-02 |
| 11401591 | Method for selecting rail steel and wheel steel | Minoru Honjo, Tatsumi Kimura, Katsuyuki Ichimiya | 2022-08-02 |
| 11326238 | Steel material for high heat input welding | Yuki Toji, Akio Ohmori, Koichi Nakashima, Ryo Arao, Katsuyuki Ichimiya | 2022-05-10 |
| 11299798 | Steel plate and method of producing same | Yoshiko Takeuchi, Katsuyuki Ichimiya | 2022-04-12 |
| 11236405 | Steel plate for high-strength and high-toughness steel pipes and method for producing steel plate | Hideyuki Kimura, Ryo Nagao, Nobuyuki Ishikawa | 2022-02-01 |