Inventor
Hiroki Nakamaru
Inventor
Tokyo, JP
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals15%
C22CAlloys14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
Y10TTechnical subjects covered by former us classification11%
C23CCoating metallic material10%
C25DProcesses for the electrolytic or electrophoretic production of coatings9%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers6%
B05DProcesses for applying fluent materials to surfaces, in general3%
B21BRolling of metal2%
PatentTitleYear
10,851,434Steel sheet for can and method for manufacturing the same202010,837,076Steel sheet for cans and method for manufacturing steel sheet for cans202010,655,199Steel sheet for crown cap, method for manufacturing steel sheet for crown cap, and crown cap202010,576,712Resin-coated metal sheet for container202010,427,381Laminated metal sheet for container201910,415,111High-strength steel sheet for containers and method for producing the same201910,392,682Steel sheet for three-piece can and method for manufacturing the same201910,316,381Method for producing hot-pressed member201910,301,702Steel sheet for cans and manufacturing method thereof201910,144,196Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same201810,144,985Steel sheet for can and method for manufacturing the same201810,100,381Steel sheet for hot pressing and process for manufacturing hot pressed member using the steel sheet20189,993,998Resin-coated metal sheet for containers and method for manufacturing the same20189,963,755Hot-pressed member20189,873,539Resin-coated metal sheet for container and method for manufacturing the same20189,669,961'Three-piece can and method of manufacturing the same'20179,598,744'Method for producing hot-pressed member'20179,498,810'Method for manufacturing warm pressed-formed members'20169,493,868'Aluminum or aluminum alloy-coated steel material and method of manufacturing the same'20169,234,267'Hot-dip Al—Zn coated steel sheet'20169,040,166'Hot-pressed member'20159,034,480'Hot-dip Al—Zn coated steel sheet'20159,023,488'Steel sheet for hot pressing and method of manufacturing hot-pressed part using steel sheet for hot pressing'20158,668,789'Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatability'20148,663,816'Hot-pressed member'20147,588,836'Phosphate-treated zinc-coated steel sheet'20097,186,467'Black zinc-plated steel sheet'20077,166,759'Remediation method of media and iron powder for dehalogenation of hydrogenated hydrocarbons'20076,827,757'Magnetite-iron based composite powder, magnetite-iron based powder mixture, method for producing the same, method for remedying polluted soil, water or gases and electromagnetic wave absorber'20045,510,196'Corrosion resistant steel sheets improved in corrosion resistance and other characteristics'19965,273,643'Method of producing zinc-chromium alloy plated steel sheet with excellent plating adhesiveness'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1996Patents assigned to KAWASAKI STEEL CO (2)· patent assignee history
1993–2020Based in Chiba, JP· patent location history
2004–2020Patents assigned to JFE STEEL CORP (28)· patent assignee history
2007–2019Based in Fukuyama, JP· patent location history
2014–2018Patents assigned to NAKAMARU HIROKI (8)· patent assignee history
2015–2018Patents assigned to MIYOSHI TATSUYA (5)· patent assignee history
2015–2018Patents assigned to NAKAJIMA SEIJI (5)· patent assignee history
2015–2020Based in Tokyo, JP· patent location history
2018Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 28 | 2004–2020 |
| NAKAMARU HIROKIself | 8 | 2014–2018 |
| MIYOSHI TATSUYA | 5 | 2015–2018 |
| NAKAJIMA SEIJI | 5 | 2015–2018 |
| KAWASAKI STEEL CO | 2 | 1993–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 12 | 2015–2020 |
| Chiba, JP | 9 | 1993–2020 |
| Fukuyama, JP | 9 | 2007–2019 |
| Chiyoda-ku, JP | 1 | 2018 |