YI

Yoshitada Ishizuka

DE Delphian: 1 patents #4 of 16Top 25%
Overall (All Time): #4,087,272 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4260860 DIP Rotary switch Koichi Niihama 1981-04-07