YT

Yasuhito Totsuka

NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
NC Nippon Steel Engineering Co.: 1 patents #27 of 107Top 30%
Overall (All Time): #710,246 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11400539 Flux-cored wire, manufacturing method of welded joint, and welded joint Hiroki Fujimoto, Kotaro Watanabe 2022-08-02
11331742 Flux-cored wire, manufacturing method of welded joint, and welded joint Kotaro Watanabe, Tatsuya Kumagai, Hiroki Fujimoto 2022-05-17
10464174 Flux-cored wire for Ar—CO2 mixed gas shielded arc welding Kiyohito Sasaki, Rikiya Takayama 2019-11-05
10160065 Flux-cored wire for carbon dioxide gas shielded arc welding Rikiya Takayama, Kiyohito Sasaki, Masaaki Toriyabe 2018-12-25
10112267 Flux-cored wire for Ar—CO2 mixed gas shielded arc welding Rikiya Takayama, Kiyohito Sasaki, Masaaki Toriyabe 2018-10-30
9505088 Flux-cored wire, welding method using flux-cored wire, method for manufacturing weld joint using flux-cored wire, and weld joint Shuichi Nakamura, Kazuhiro Kojima, Ryuichi Shimura 2016-11-29
9259806 Flux-cored wire for welding ultrahigh tensile strength steel Shuichi Nakamura, Kazuhiro Kojima, Ryuichi Shimura 2016-02-16