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Inventor

Mazumi Nishikawa

Inventor
Yokosuka, JP

Overview

2→
Patents
1987–1988
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 2 as inventor

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

C21Cprimary
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel40%
Y02PClimate change mitigation technologies in the production or processing of goods40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,723,762'Apparatus for sealing the skirt of a converter waste gas recovery system'19884,688,772'Apparatus for sealing the skirt of a converter waste gas recovery system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to KAWASAKI HEAVY IND LTD (2)· patent assignee history
1987–1988Patents assigned to NIPPON STEEL CORP (2)· patent assignee history
1987–1988Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI HEAVY IND LTD21987–1988
NIPPON STEEL CORP21987–1988
Locations
LocationPatentsSpan
Yokosuka, JP21987–1988