YT

Yasutaka Tsuruga

HC Hitachi Construction Machinery Co.: 2 patents #7 of 62Top 15%
📍 Ryugasaki, JP: #3 of 19 inventorsTop 20%
Overall (2002): #34,756 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6408622 Hydraulic drive device Takashi Kanai, Junya Kawamoto, Satoshi Hamamoto, Yasuharu Okazaki, Yukiaki Nagao 2002-06-25
6397591 Hydraulic driving unit Takashi Kanai, Junya Kawamoto, Kenichiro Nakatani, Kiwamu Takahashi, Satoshi Hamamoto +2 more 2002-06-04