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Yukiaki Nagao

HC Hitachi Construction Machinery Co.: 4 patents #303 of 1,234Top 25%
📍 Toyama, JP: #533 of 1,699 inventorsTop 35%
Overall (All Time): #1,268,166 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6584770 Hydraulic drive system Yasutaka Tsuruga, Takashi Kanai, Junya Kawamoto, Satoshi Hamamoto, Yasuharu Okazaki 2003-07-01
6526747 Hydraulic driving device Kenichiro Nakatani, Takashi Kanai, Yasutaka Tsuruga, Junya Kawamoto, Satoshi Hamamoto +1 more 2003-03-04
6408622 Hydraulic drive device Yasutaka Tsuruga, Takashi Kanai, Junya Kawamoto, Satoshi Hamamoto, Yasuharu Okazaki 2002-06-25
6397591 Hydraulic driving unit Yasutaka Tsuruga, Takashi Kanai, Junya Kawamoto, Kenichiro Nakatani, Kiwamu Takahashi +2 more 2002-06-04