LexDanaLexDanabeta
Inventor

Naoki Yoshinaga

Inventor
Tokyo, JP

Overview

33→
Patents
1991–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 33 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals26%
C22CAlloys25%
C23CCoating metallic material20%
Y10TTechnical subjects covered by former us classification9%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%
G06FElectric digital data processing4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B21BRolling of metal2%
G06NComputing arrangements based on specific computational models2%
H04LTransmission of digital information, e.g. telegraphic communication2%
PatentTitleYear
10,157,113Information processing device, analysis method, and recording medium20189,658,916'System analysis device, system analysis method and system analysis program'20179,601,010'Assessment device, assessment system, assessment method, and computer-readable storage medium'20179,410,231'Steel sheet and method of manufacturing steel sheet'20169,290,835'Cold-rolled steel sheet excellent in paint bake hardenability and ordinary-temperature non-aging property and method of producing the same'20169,241,037'Server device, behavior promotion and suppression system, behavior promotion and suppression method, and recording medium'20169,238,848'High-strength steel sheet and method for producing same'20169,231,782'Communication support system, communication support method, and recording medium'20169,139,885'High-strength steel sheet and high-strength zinc-coated steel sheet which have excellent ductility and stretch-flangeability and manufacturing method thereof'20158,951,366'High-strength cold-rolled steel sheet and method of manufacturing thereof'20158,802,241'Steel sheet having high young\'s modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young\'s modulus, and methods for manufacturing the same'20148,747,577'High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same'20148,657,970'Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the same'20148,460,481'High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets'20138,163,108'High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the same'20128,084,143'High-yield-ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield-ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same'20118,070,889'High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets'20118,057,913'Steel sheet having high young\'S modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young\'S modulus and methods for manufacturing the same'20118,052,807'Steel sheet excellent in workability'20117,776,161'Cold-rolled steel sheet excellent in workability'20107,749,343'Method to produce steel sheet excellent in workability'20107,534,312'Steel plate exhibiting excellent workability and method for producing the same'20097,485,195'High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same'20096,962,631'Steel plate excellent in shape freezing property and method for production thereof'20056,866,725'Steel pipe excellent in formability and method of producing the same'20056,706,419'Cold-rolled steel sheet or hot-rolled steel sheet excellent in painting bake hardenability and anti aging property at room temperature, and method of producing the same'20046,632,296'Steel pipe having high formability and method for producing the same'20035,954,896'Cold rolled steel sheet and galvanized steel sheet having improved homogeneity in workability and process for producing same'19995,690,755'Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet having excellent bake hardenability, non-aging properties at room temperature and good formability and process for producing the same'19975,486,241'Non-aging at room temperature ferritic single-phase cold-rolled steel sheet and hot-dip galvanized steel sheet for deep drawing having excellent fabrication embrittlement resistance and paint-bake hardenability and process for producing the same'19965,470,403'Cold rolled steel sheet and hot dip zinc-coated cold rolled steel sheet having excellent bake hardenability, non-aging properties and formability, and process for producing same'19955,384,206'High-strength cold-rolled steel strip and molten zinc-plated high-strength cold-rolled steel strip having good formability and method of producing such strips'19955,074,924'Process for producing galvanized, non-aging cold rolled steel sheets having good formability in a continuous galvanizing line'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2012Patents assigned to NIPPON STEEL CORP (18)· patent assignee history
1991Based in Sagamihara, JP· patent location history
1995–2011Based in Futtsu, JP· patent location history
2009–2016Based in Kimitsu, JP· patent location history
2011–2016Patents assigned to YOSHINAGA NAOKI (14)· patent assignee history
2011–2018Based in Tokyo, JP· patent location history
2012–2016Patents assigned to MARUYAMA NAOKI (5)· patent assignee history
2013–2016Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (8)· patent assignee history
2014Based in Chiba, JP· patent location history
2016–2018Patents assigned to NEC CORP (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP181991–2012
YOSHINAGA NAOKIself142011–2016
NIPPON STEEL & SUMITOMO METAL CORP82013–2016
MARUYAMA NAOKI52012–2016
NEC CORP52016–2018
Locations
LocationPatentsSpan
Tokyo, JP132011–2018
Futtsu, JP131995–2011
Kimitsu, JP52009–2016
Chiba, JP12014
Sagamihara, JP11991