KI

Koji Ishida

HI Hitachi: 1 patents #856 of 3,149Top 30%
HC Hitachi Device Engineering Co.: 1 patents #6 of 22Top 30%
Overall (1994): #103,405 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5324959 Semiconductor optical device having a heterointerface therein Hitoshi Nakamura, Shoichi Hanatani, Chiaki Notsu, Tsukuru Ohtoshi 1994-06-28