MT

Mutsuo Takenaga

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #41,521 of 81,411Top 55%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4322839 Method and apparatus for recording and reproducing information on and from an optical disk Tadaoki Yamashita, Takeo Ohta, Nobuo Akahira, Tatsushi Nakamura 1982-03-30