Inventor

KOUNO RYUJI

JP3 patents

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

HITACHI CONSTRUCTION MACH CO

2 patents

US11396839B2Jul 26, 2022

Hydraulic drive fan control device

HITACHI CONSTRUCTION MACH CO3 citations72

US10107341B2Oct 23, 2018

Clutch control device for work machine

HITACHI CONSTRUCTION MACH CO0 citations40

HITACHI LTD

1 patent

US6566149B1May 20, 2003

Method for manufacturing substrate for inspecting semiconductor device

HITACHI LTD22 citations90