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Inventor

Seiji Arita

Inventor
Tosu, JP

Overview

2→
Patents
1976–1986
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.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C08HDerivatives of natural macromolecular compounds33%
C10CWorking-up pitch, asphalt, bitumen, tar33%
PatentTitleYear
4,606,808'Method for the preparation of pitches for spinning carbon fibers'19863,932,494'Thiohumic acid, a process for preparing same, and its use for absorbing heavy metal ions'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to AGENCY IND SCIENCE TECHN (2)· patent assignee history
1976–1986Based in Tosu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGENCY IND SCIENCE TECHN21976–1986
Locations
LocationPatentsSpan
Tosu, JP21976–1986