MI

Masaji Ishigaki

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #96,840 of 165,921Top 60%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5276670 Phase change optical disk and method for using the same Hiroshi Nogami, Norio Goto, Makoto Miyamoto, Yukio Fukui 1994-01-04