KH

Kazuyoshi Hanakawa

HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
📍 Tsuchiura, JP: #203 of 519 inventorsTop 40%
Overall (All Time): #1,480,644 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10041225 Drive control system for work machine Mariko Mizuochi, Akinori Ishii 2018-08-07
10024032 Work machine Mariko Mizuochi, Akinori Ishii 2018-07-17
8387289 Hydraulic circuit system for hydraulic excavator Makoto Mitsuhashi, Tsuyoshi Nakamura 2013-03-05