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Yukiji Yamauchi

HI Hitachi: 1 patents #814 of 2,935Top 30%
📍 Kokubunji, JP: #41 of 106 inventorsTop 40%
Overall (1989): #39,168 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4881271 Portable wireless communication systems Nobuo Tsukamoto, Masahiro Koya 1989-11-14