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Inventor

KARIYA MASAO

JP6 patents
⚠️ This page may combine multiple inventors who share the name “KARIYA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI CONSTRUCTION MACH CO

3 patents
USD875143SFeb 11, 2020

Excavator

HITACHI CONSTRUCTION MACH CO26 citations93
US10487476B2Nov 26, 2019

Construction machine

HITACHI CONSTRUCTION MACH CO8 citations82
US10450721B2Oct 22, 2019

Construction machine

HITACHI CONSTRUCTION MACH CO3 citations63

HITACHI CONSTRUCTION MACHINERY

2 patents
US6691510B2Feb 17, 2004

Pipe breakage control valve device

HITACHI CONSTRUCTION MACHINERY23 citations92
US6409142B1Jun 25, 2002

Pipe breakage control valve device

HITACHI CONSTRUCTION MACHINERY9 citations72

JAPAN SYNTHETIC RUBBER CO LTD

1 patent
US5037748AAug 6, 1991

Process for producing cis-4,5-dihydro-4,5-dihydroxyphthalic acid

JAPAN SYNTHETIC RUBBER CO LTD1 citations45