TF

Tadashi Fukuzawa

HI Hitachi: 2 patents #87 of 1,214Top 8%
Overall (1982): #7,448 of 81,411Top 10%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4366567 Semiconductor laser device Michiharu Nakamura, Susumu Takahashi 1982-12-28
4361887 Semiconductor light emitting element Michiharu Nakamura, Motohisa Hirao, Shigeo Yamashita, Junichi Umeda 1982-11-30