SA

Shinichi Arai

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #58,177 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4853915 Optical recording/reproducing method and apparatus for optical disk medium having unique control parameters Masahiro Takasago 1989-08-01