YM

Youji Maruyama

HI Hitachi: 1 patents #867 of 2,942Top 30%
📍 Tsuru, JP: #1 of 1 inventorsTop 100%
Overall (1997): #55,852 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5615192 Information recording and reproducing method and apparatus Atsushi Kikukawa, Sumio Hosaka, Toshimichi Shintani, Takeshi Shimano 1997-03-25