Inventor

Yoji Hirota

Inventor

Yokose, JP

Overview

1985–1986

Patent span

Performing operations

Primary field (CPC B)

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

B04Cprimary

B04CApparatus using free vortex flow, e.g. cyclones50%

C04BLime, magnesia25%

C25CProcesses for the electrolytic production, recovery or refining of metals25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to MITSUBISHI HEAVY IND LTD (2)· patent assignee history

1985–1986Patents assigned to MITSUBISHI MINING & CEMENT CO (2)· patent assignee history

1985Based in Kitakyushu, JP· patent location history

1986Based in Yokose, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI HEAVY IND LTD	2	1985–1986
MITSUBISHI MINING & CEMENT CO	2	1985–1986

Locations

Location	Patents	Span
Yokose, JP	1	1986
Kitakyushu, JP	1	1985