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Inventor

Tomohiro Ohsako

Inventor
Tokyo, JP

Overview

2→
Patents
2001
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.

C23Cprimary
C23CCoating metallic material20%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact20%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application20%
B05DProcesses for applying fluent materials to surfaces, in general10%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
C23FNon-mechanical removal of metallic material from surface10%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis10%
PatentTitleYear
6,306,226'Process for surface-treating an aluminum-containing metal'20016,300,395'Aqueous hydrophilization treatment composition and method for aluminum-containing metal material'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to DENSO CORP (1)· patent assignee history
2001Patents assigned to NIHON PAPKERIZING CO LTD (1)· patent assignee history
2001Patents assigned to NIKON PARKERIZING CO LTD (1)· patent assignee history
2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENSO CORP12001
NIHON PAPKERIZING CO LTD12001
NIKON PARKERIZING CO LTD12001
Locations
LocationPatentsSpan
Tokyo, JP22001