CI

Chikara Iwama

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,733,105 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5703737 Magnetic recording reproduction apparatus with improved adjustment characteristics for audio-control head Noboru Katohno, Yoshihisa Tsurumi 1997-12-30