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Inventor

Tsugio Maejima

Inventor
Saitama, JP

Overview

2→
Patents
1987–1991
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry50%
C10GCracking hydrocarbon oils50%
PatentTitleYear
5,037,543'Assemblage of hydroxyl apatite particles and liquid chromatography column using the same'19914,664,775'Method for manufacturing low pour point petroleum product with zeolite TSZ'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to TOA NENRYO KOGYO KK (2)· patent assignee history
1987–1991Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOA NENRYO KOGYO KK21987–1991
Locations
LocationPatentsSpan
Saitama, JP21987–1991