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Inventor

Takumi Nishio

Inventor
Toyota, JP

Overview

4→
Patents
1986–1988
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B22Dprimary
B22DCasting of metals67%
C04BLime, magnesia17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
4,780,434'Refractory composition'19884,667,858'Filler material for filling an outlet aperture of a casting ladle or similar container and a process for producing the filler material'19874,632,283'Molten metal discharging device'19864,583,721'Molten metal discharging device'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1988Patents assigned to TOSHIBA CERAMICS CO (4)· patent assignee history
1986Patents assigned to SUMITOMO METAL IND (1)· patent assignee history
1986–1988Based in Toyota, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA CERAMICS CO41986–1988
SUMITOMO METAL IND11986
Locations
LocationPatentsSpan
Toyota, JP41986–1988