YH

Yasuyoshi Hidaka

SI Sumitomo Metal Industries: 1 patents #18 of 138Top 15%
Overall (2002): #88,830 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6440234 Martensitic stainless steel products Hisashi Amaya, Toshiro Anraku 2002-08-27