JU

Junichi Umeda

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,079,359 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4361887 Semiconductor light emitting element Michiharu Nakamura, Motohisa Hirao, Shigeo Yamashita, Tadashi Fukuzawa 1982-11-30