KN

Kazuo Niizaka

SO Sony: 1 patents #385 of 1,361Top 30%
Overall (1997): #122,299 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5691868 Disk cartridge with shutter and slider, and method of connecting them Takatsugu Funawatari, Hiroyuki Ishikawa, Hiroyuki Abe 1997-11-25