Inventor
Kiyokazu Ishizuka
Inventor
Himeji, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material20%
Y10TTechnical subjects covered by former us classification12%
C25DProcesses for the electrolytic or electrophoretic production of coatings11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%
C22CAlloys9%
C21DModifying the physical structure of ferrous metals6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
B05DProcesses for applying fluent materials to surfaces, in general3%
B21BRolling of metal3%
PatentTitleYear
11,084,252Surface-treated steel sheet202111,078,590Plated steel202110,837,118Surface treated steel sheet for fuel tank202010,697,067Steel sheet for a fuel tank202010,688,755Steel sheet for a fuel tank202010,418,601Steel foil for power storage device container, power storage device container, power storage device, and manufacturing method of steel foil for power storage device container201910,340,065Method for manufacturing electrical steel sheet201910,205,135Steel foil for power storage device container, power storage device container, power storage device, and manufacturing method of steel foil for power storage device container201910,201,953Steel foil and method for manufacturing the same201910,189,229Surface-treated steel sheet201910,023,931Method of production of hot dip galvannealed steel sheet with excellent workability, powderability, and slidability20189,997,786Steel foil and method for manufacturing the same20189,725,795'Galvannealed steel sheet and method of manufacturing the same'20179,512,511'Method for hot-dip galvanizing a steel sheet'20169,499,894'Method for producing high-strength hot-dip galvannealed steel sheet'20169,334,555'Hot dip galvannealed steel sheet and method for producing the same'20169,051,622'Non-oriented magnetic steel sheet and method for producing the same'20158,617,324'Method for producing high-strength hot-dip galvannealed steel sheet'20138,303,739'Method for producing high-strength hot-dip galvannealed steel sheet'20127,029,762'Inorganic-organic composite-treated zinc-plated steel sheet'20067,011,895'Inorganic-organic composite-treated zinc-plated steel sheet'20066,902,843'Ni-plated steel plate for alkali-manganese dry cell anode can and alkali-manganese dry cell anode can'20056,649,275'Zinc phosphate-treated galvanized steel sheet excellent in corrosion resistance and color tone'20036,596,414'Phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability'20036,376,092'Surface-treated steel sheet and manufacturing method thereof'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2021Patents assigned to NIPPON STEEL CORP (12)· patent assignee history
2002–2019Based in Himeji, JP· patent location history
2012–2018Patents assigned to ISHIZUKA KIYOKAZU (5)· patent assignee history
2012–2018Patents assigned to HAJI JUNJI (3)· patent assignee history
2012–2018Patents assigned to KAWASAKI KAORU (3)· patent assignee history
2013–2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (15)· patent assignee history
2013–2016Based in Hyogo, JP· patent location history
2015–2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 15 | 2013–2020 |
| NIPPON STEEL CORP | 12 | 2002–2021 |
| ISHIZUKA KIYOKAZUself | 5 | 2012–2018 |
| HAJI JUNJI | 3 | 2012–2018 |
| KAWASAKI KAORU | 3 | 2012–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Himeji, JP | 13 | 2002–2019 |
| Tokyo, JP | 9 | 2015–2021 |
| Hyogo, JP | 3 | 2013–2016 |