HT

Hisashi Toyoshima

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Overall (2002): #204,418 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6499105 Digital data authentication method Hiroshi Yoshiura, Kazuo Takaragi, Ryoichi Sasaki, Seiichi Susaki, Tsukasa Saito 2002-12-24