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Inventor

Masao Yamamiya

Inventor
Kawasaki, JP

Overview

2→
Patents
1989–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B22Dprimary
B22DCasting of metals25%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel25%
C22CAlloys25%
H01FMagnets25%
PatentTitleYear
4,956,011'Iron-silicon alloy powder magnetic cores and method of manufacturing the same'19904,830,090'Method of continuously casting lead-bearing steel'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to NIPPON STEEL CORP (2)· patent assignee history
1989Based in Hikari, JP· patent location history
1990Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP21989–1990
Locations
LocationPatentsSpan
Kawasaki, JP11990
Hikari, JP11989