YH

Yasuo Hayama

SC Sokkisha Co.: 1 patents #4 of 26Top 20%
Overall (All Time): #3,822,278 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5204731 Method and apparatus for measuring the coordinates of a surveyed point Masayoshi Tanaka, Haruo Fukawa, Masamitsu Endo, Ichiro Kadowaki 1993-04-20