HO

Hirokazu Okada

NM Nippon Steel & Sumitomo Metal: 3 patents #12 of 340Top 4%
NS Nippon Steel: 2 patents #27 of 325Top 9%
Overall (2019): #35,945 of 560,194Top 7%
5
Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10519533 High Cr-based austenitic stainless steel Atsuro Iseda, Hiroyuki Semba, Hiroyuki Hirata, Toshihide Ono, Katsuki TANAKA +2 more 2019-12-31
10378091 Welded joint Kana JOTOKU, Hiroyuki Hirata, Yoshitaka Nishiyama, Shinnosuke Kurihara, Yuhei Suzuki 2019-08-13
10266909 High-strength austenitic stainless steel for high-pressure hydrogen gas Tomohiko Omura, Jun Nakamura, Hiroyuki Semba, Yusaku Tomio, Hiroyuki Hirata +3 more 2019-04-23
10260125 High-strength austenitic stainless steel for high-pressure hydrogen gas Tomohiko Omura, Jun Nakamura, Hiroyuki Semba, Yusaku Tomio, Hiroyuki Hirata +3 more 2019-04-16
10233523 Carburization resistant metal material Yoshitaka Nishiyama, Takahiro Osuki, Etsuo Dan 2019-03-19