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Inventor

Yoshinari Kawasaki

Inventor
Osaka, JP

Overview

3→
Patents
1984–1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C23Fprimary
C23FNon-mechanical removal of metallic material from surface67%
C02FTreatment of water, waste water, sewage, or sludge33%
PatentTitleYear
4,885,136'Method of anticorrosive treatment for soft water boilers'19894,512,552'Corrosion inhibitor'19854,432,884'Scale inhibiting agent'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1989Patents assigned to KATAYAMA CHEMICAL WORKS CO (3)· patent assignee history
1984–1989Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KATAYAMA CHEMICAL WORKS CO31984–1989
Locations
LocationPatentsSpan
Osaka, JP31984–1989