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Inventor

Hiroharu Motomura

Inventor
Minamikawachi-gun, JP

Overview

3→
Patents
1993–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C22Cprimary
C22CAlloys43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests43%
C21DModifying the physical structure of ferrous metals14%
PatentTitleYear
5,951,944'Lowly decarburizable spring steel'19995,470,528'Low decarburization spring steel'19955,183,634'High strength spring steel'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1999Patents assigned to MITSUBISHI STEEL MFG (3)· patent assignee history
1993Based in Ichihara, JP· patent location history
1995–1999Based in Minamikawachi-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI STEEL MFG31993–1999
Locations
LocationPatentsSpan
Minamikawachi-gun, JP21995–1999
Ichihara, JP11993