Inventor

AKIYAMA SEIICHI

JP4 patents

⚠️ This page may combine multiple inventors who share the name “AKIYAMA SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CATERPILLAR MITSUBISHI LTD

2 patents

US6672055B1Jan 6, 2004

Hydraulic pump control device

CATERPILLAR MITSUBISHI LTD28 citations91

US6810663B2Nov 2, 2004

Fluid pressure circuit control system

CATERPILLAR MITSUBISHI LTD14 citations82

NISHIKAWA HIROYASU

1 patent

US8899035B2Dec 2, 2014

Hydraulic control apparatus for work machine

NISHIKAWA HIROYASU17 citations80

YOSHINO TETSUYA

1 patent

US9109346B2Aug 18, 2015

Hydraulic swing-controlling apparatus of work machine

YOSHINO TETSUYA2 citations55