TD

Takefumi Daidoh

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #2,300,534 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D334043 Combined earphone and remote controller Shuhei Taniguchi, Kazue Katoh 1993-03-16
D300133 Headphone Kaoru Sumita 1989-03-07