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Inventor

Eigo Tanuma

Inventor
Yokohama, JP

Overview

3→
Patents
1988–2001
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.

B01Dprimary
B01DSeparation25%
C04BLime, magnesia25%
B22CFoundry moulding13%
F16LPipes13%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
6,203,593'Ceramic filter and method of filtrating molten metal using the same'20015,676,833'High-temperature ceramic filter'19974,740,406'Porous ceramic structure'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2001Patents assigned to BRIDGESTONE CORP (3)· patent assignee history
1988–2001Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIDGESTONE CORP31988–2001
Locations
LocationPatentsSpan
Yokohama, JP31988–2001