YD

Yoshio Degawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Mobara, JP: #511 of 731 inventorsTop 70%
Overall (All Time): #4,097,323 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4291252 Electron tube cathode Toshiyuki Aida, Shigehiko Yamamoto, Sadanori Taguchi, Isamu Yuito, Yukio Honda +4 more 1981-09-22