Inventor
Kazuhisa Okai
Inventor
Fukuyama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material29%
Y10TTechnical subjects covered by former us classification29%
C09DCoating compositions, e.g. paints, varnishes or lacquers24%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
Y02TClimate change mitigation technologies related to transportation10%
PatentTitleYear
8,304,092'Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheet'20128,012,599'Surface-treated steel sheet with excellent corrosion resistance and method for manufacturing same'20117,875,363'Surface-treated steel sheet'20117,842,400'Surface-treated steel sheet and method for manufacturing the same'20107,517,591'Highly corrosion-resistant surface-treated steel sheet and method for producing same'20097,348,068'Surface-treated steel sheet excellent in corrosion resistance, conductivity, and coating appearance'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2012Patents assigned to JFE STEEL CORP (6)· patent assignee history
2008Based in Chiyoda-ku, JP· patent location history
2009–2011Patents assigned to KANSAI PAINT CO LTD (2)· patent assignee history
2009–2011Based in Fukuyama, JP· patent location history
2010–2011Based in Hiroshima, JP· patent location history
2012Patents assigned to ANDO SATORU (1)· patent assignee history
2012Patents assigned to HAMADA ETSUO (1)· patent assignee history
2012Patents assigned to MATSUZAKI AKIRA (1)· patent assignee history
2012Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 6 | 2008–2012 |
| KANSAI PAINT CO LTD | 2 | 2009–2011 |
| ANDO SATORU | 1 | 2012 |
| HAMADA ETSUO | 1 | 2012 |
| MATSUZAKI AKIRA | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuyama, JP | 2 | 2009–2011 |
| Hiroshima, JP | 2 | 2010–2011 |
| Kawasaki, JP | 1 | 2012 |
| Chiyoda-ku, JP | 1 | 2008 |