KK

Katsumi Koshimura

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #1,605,449 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6768911 Communication terminal device Ichiro Hino 2004-07-27
D367860 Combined tape recorder and radio receiver Kazuo Ichikiawa, Hitoshi Takahashi 1996-03-12
4860369 Flat speaker unit Akio Koike 1989-08-22