Inventor

Takuya Kuwayama

Inventor

Tokyo, JP

Overview

2011–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 23 as inventor

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

B21Dprimary

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material14%

C21DModifying the physical structure of ferrous metals10%

C22CAlloys10%

C23CCoating metallic material9%

Y10TTechnical subjects covered by former us classification9%

B21BRolling of metal8%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%

B30BPresses in general3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

G06FElectric digital data processing3%

PatentTitleYear

10,713,401Surface shape defect generating region estimating method, surface shape defect source region estimating method, surface shape defect generating region estimating device, surface shape defect source region estimating device, program, and recording medium2020 10,697,486Laser welded joint, vehicle component, manufacturing method of laser welded joint, and manufacturing method of vehicle component2020 10,543,521Press forming method and vehicle component2020 9,988,700High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereof2018 9,876,157Surface mount type quartz crystal device2018 9,874,504Metal sheet bending fracture determination method and recording medium2018 9,708,679'High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet excellent in mechanical cutting property, and manufacturing method thereof'2017 9,702,035'High-strength hot-dip galvanized steel sheet excellent in impact resistance property and manufacturing method thereof, and high-strength alloyed hot-dip galvanized steel sheet and manufacturing method thereof'2017 9,694,561'High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of same'2017 9,511,403'Press forming method and vehicle component'2016 9,234,268'High-strength galvanized steel sheet excellent in bendability and manufacturing method thereof'2016 9,205,870'Vehicle frame member structure with excellent impact resistance performance'2015 9,162,422'High-strength hot-dip galvanized steel sheet, high-strength alloyed hot-dip galvanized steel sheet excellent in bake hardenability, and manufacturing method thereof'2015 8,993,120'High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereof'2015 8,965,554'Press-forming device, press-forming method, computer program/software arrangement and storage medium'2015 8,938,378'Forming simulation method, forming simulation apparatus, forming simulation program, and recording medium'2015 8,932,729'High-strength hot-dip galvanized steel sheet excellent in impact resistance property and high-strength alloyed hot-dip galvanized steel sheet'2015 8,584,496'Device for press-forming a thin sheet and press-forming method'2013 8,464,591'Method and apparatus for judging fracture of metal stamped product, program and computer-readable recording medium'2013 8,234,897'Press-forming device and press-forming method'2012 8,091,395'System, method, software arrangement and computer-accessible medium for press-forming of materials'2012 8,020,418'Press-forming device, press-forming method, computer program/software arrangement and storage medium'2011 7,886,564'System, method, software arrangement and computer-accessible medium for press-forming of materials'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2020Patents assigned to NIPPON STEEL CORP (7)· patent assignee history

2011–2012Patents assigned to ARCELOR FRANCE (4)· patent assignee history

2011–2012Based in Chiba, JP· patent location history

2012–2018Patents assigned to KUWAYAMA TAKUYA (10)· patent assignee history

2012–2015Patents assigned to SUZUKI NORIYUKI (6)· patent assignee history

2013–2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (18)· patent assignee history

2013–2020Based in Tokyo, JP· patent location history

2018Based in Saitama, JP· patent location history

2020Based in Kisarazu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL & SUMITOMO METAL CORP	18	2013–2020
KUWAYAMA TAKUYAself	10	2012–2018
NIPPON STEEL CORP	7	2011–2020
SUZUKI NORIYUKI	6	2012–2015
ARCELOR FRANCE	4	2011–2012

Locations

Location	Patents	Span
Tokyo, JP	16	2013–2020
Chiba, JP	4	2011–2012
Kisarazu, JP	2	2020
Saitama, JP	1	2018