Inventor

Shinji Ootsuka

Inventor

Tokyo, JP

Overview

2008–2021

Patent span

Chemistry

Primary field (CPC C)

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification18%

C23CCoating metallic material16%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%

C25DProcesses for the electrolytic or electrophoretic production of coatings11%

C21DModifying the physical structure of ferrous metals9%

C22CAlloys9%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material7%

A61FFilters implantable into blood vessels5%

C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis4%

B05DProcesses for applying fluent materials to surfaces, in general2%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2008–2021Patents assigned to JFE STEEL CORP (12)· patent assignee history

2008–2021Based in Tokyo, JP· patent location history

2012–2016Patents assigned to OOTSUKA SHINJI (6)· patent assignee history

2012–2016Patents assigned to HOSHINO KATSUYA (4)· patent assignee history

2012–2015Patents assigned to MASUOKA HIROYUKI (3)· patent assignee history

2012–2014Patents assigned to YOSHIMI NAOTO (3)· patent assignee history

2014–2019Based in Fukuyama, JP· patent location history

2015–2016Based in Chiyoda-ku, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations