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Inventor

Sigeru Seki

Inventor
Urawa, JP

Overview

2→
Patents
1979–1981
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.

B22Cprimary
B22CFoundry moulding33%
C04BLime, magnesia33%
C11DDetergent compositions33%
PatentTitleYear
4,299,738'Detergent composition'19814,174,224'Sand mold composition'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to KUREHA CHEMICAL IND CO LTD (1)· patent assignee history
1979–1981Based in Urawa, JP· patent location history
1981Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGENCY IND SCIENCE TECHN11981
KUREHA CHEMICAL IND CO LTD11979
Locations
LocationPatentsSpan
Urawa, JP21979–1981