YT

Yukio Tokuyama

MC Mitsubishi Steel Mfg. Co.: 2 patents #29 of 145Top 20%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
Overall (All Time): #2,225,679 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6221125 Water-atomized spherical metal powders and method for producing the same Yuji Soda, Hiroshi Usui 2001-04-24
5753005 Source powder for wear-resistant sintered material Yoshimasa Aoki, Kei Ishii, Yuji Soda 1998-05-19