MU

Mariko Umeda

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
Overall (2004): #157,402 of 270,089Top 60%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6807133 Optical head and optical disk apparatus Tetsuo Ariyoshi, Takeshi Shimano 2004-10-19