YT

Yasuhiro Tokumaru

HH Hitachi High-Technologies: 1 patents #207 of 523Top 40%
Overall (2011): #125,844 of 364,097Top 35%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7903361 Method of detecting scratch defect in circumferential direction and magnetic disk certifier Sumihiro MAEDA 2011-03-08