Inventor

Ryuu Narikawa

Inventor

Mito, JP

Overview

4→

Patents

2020–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E02Fprimary

E02FDredging43%

B01DSeparation14%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers14%

F15BSystems acting by means of fluids in general14%

PatentTitleYear

11,077,424Oxygen scavenger composition2021 10,801,187Work machine2020 10,774,502Work machine2020 10,626,578Work machine2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to HITACHI CONSTRUCTION MACH CO (3)· patent assignee history

2020Based in Mito, JP· patent location history

2021Patents assigned to MITSUBISHI GAS CHEMICAL CO (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI CONSTRUCTION MACH CO	3	2020
MITSUBISHI GAS CHEMICAL CO	1	2021

Locations

Location	Patents	Span
Mito, JP	3	2020
Tokyo, JP	1	2021