KE

Kenichi Ehara

DK Denki Kagaku Kogyo: 1 patents #5 of 43Top 15%
Overall (1989): #88,971 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4878866 Thermionic cathode structure Yoshiharu Mori, Suzuya Yamada, Mitsuaki Saito, Hirotoshi Hagiwara 1989-11-07