TS

Tsunehiko Shimazawa

NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
Overall (All Time): #4,124,579 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4236049 Electronic key telephone system Ryoichi Tanihata, Yoshihisa Shibayama 1980-11-25