TO

Teruo Ohta

SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #1,303,786 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4888761 Disk cartridge — 1989-12-19
4682322 Disk cartridge — 1987-07-21
D282549 Inner sheet for a tape cassette — 1986-02-11
4232350 Tape cassette — 1980-11-04