MH

Motohisa Hirao

HI Hitachi: 2 patents #87 of 1,214Top 8%
Overall (1982): #9,808 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4366569 Semiconductor laser device including an arrangement for preventing laser degradation caused by excessive current flow Michiharu Nakamura, Atsutoshi Doi, Shinji Tsuji, Yutaka Takeda, Takao Mori 1982-12-28
4361887 Semiconductor light emitting element Michiharu Nakamura, Shigeo Yamashita, Tadashi Fukuzawa, Junichi Umeda 1982-11-30