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Inventor

Yoshiro Tomiyama

Inventor
Chiba, JP

Overview

3→
Patents
1985–1995
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B22Dprimary
B22DCasting of metals40%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel20%
F16KValves20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,429,655'System for removing non-metallic foreign matter in molten metal'19955,381,857'Apparatus and method for continuous casting'19954,552,334'Flow change-over valve for the blowing of fluids into molten metal vessel'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1995Patents assigned to KAWASAKI STEEL CO (3)· patent assignee history
1985Patents assigned to DENKA CONSULT & ENG (1)· patent assignee history
1985–1995Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI STEEL CO31985–1995
DENKA CONSULT & ENG11985
Locations
LocationPatentsSpan
Chiba, JP31985–1995