YT

Yasutaka Tsuruga

HC Hitachi Construction Machinery Co.: 3 patents #2 of 66Top 4%
📍 Ryugasaki, JP: #3 of 12 inventorsTop 25%
Overall (2003): #18,996 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6651428 Hydraulic drive device Kiwamu Takahashi, Takashi Kanai, Kenichiro Nakatani, Junya Kawamoto 2003-11-25
6584770 Hydraulic drive system Takashi Kanai, Junya Kawamoto, Satoshi Hamamoto, Yasuharu Okazaki, Yukiaki Nagao 2003-07-01
6526747 Hydraulic driving device Kenichiro Nakatani, Takashi Kanai, Junya Kawamoto, Satoshi Hamamoto, Yasuharu Okazaki +1 more 2003-03-04