SS

Seiichi Sakai

SO Sony: 2 patents #121 of 1,124Top 15%
Overall (1994): #20,251 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5321569 Rotary magnetic head drum assembly 1994-06-14
5296976 Magnetic recording/reproducing device Jun Takayama, Kiyoshi Sawakata, Kozo Kaminaga 1994-03-22