YD

Yoshihiro Daitoh

NM Nippon Steel & Sumitomo Metal: 3 patents #369 of 1,491Top 25%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #1,179,670 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10329645 Steel for carburizing or carbonitriding use 2019-06-25
9200354 Rolled steel bar or wire for hot forging Hideki Imataka, Masayuki Horimoto, Akira Shiga 2015-12-01
8491732 Hot-rolled steel bar or wire rod Akira Kito, Takayuki Nakamura 2013-07-23
5899516 Railway wheel and manufacturing method of the railway wheel Takashi Fujimura, Manao Anjiki, Taizo Makino 1999-05-04