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Inventor

Katsuo Umehara

Inventor
Asahikawa, JP

Overview

1→
Patents
1996
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 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%
C02FTreatment of water, waste water, sewage, or sludge50%
PatentTitleYear
5,585,319'Process for preparing oil sorbent and device for continuously preparing the same'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to HOKKAIDO (1)· patent assignee history
1996Based in Asahikawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOKKAIDO11996
Locations
LocationPatentsSpan
Asahikawa, JP11996