Inventor
Chisato Wakabayashi
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals22%
C22CAlloys22%
C23CCoating metallic material20%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
Y10TTechnical subjects covered by former us classification12%
C25DProcesses for the electrolytic or electrophoretic production of coatings7%
B23KSoldering or unsoldering3%
B21BRolling of metal2%
PatentTitleYear
11,027,361Spot-welded joint and spot welding method202110,544,474High-strength cold-rolled steel sheet and method for producing the same202010,465,272High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method therefor201910,407,760Hot-dip galvanized steel sheet and manufacturing method thereof201910,350,701Method of spot welding201910,351,937High-strength steel sheet excellent in impact resistance and manufacturing method thereof, and high-strength galvanized steel sheet and manufacturing method thereof201910,294,551High-strength low-specific-gravity steel sheet having superior spot weldability201910,023,947High strength steel plate with ultimate tensile strength of 900 MPa or more excellent in hydrogen embrittlement resistance and method of production of same20189,970,092Galvanized steel sheet and method of manufacturing the same20189,783,878'High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method therefor'20179,546,413'Hot-rolled steel sheet and production method thereof'20179,540,720'High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and small material anisotropy with ultimate tensile strength of 980 MPa or more'20179,410,231'Steel sheet and method of manufacturing steel sheet'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'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2021Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (14)· patent assignee history
2015–2019Patents assigned to WAKABAYASHI CHISATO (6)· patent assignee history
2015–2019Patents assigned to KAWATA HIROYUKI (4)· patent assignee history
2015–2019Patents assigned to MARUYAMA NAOKI (3)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
2019–2021Patents assigned to NIPPON STEEL CORP (6)· patent assignee history
2019Based in Kimitsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 14 | 2015–2021 |
| NIPPON STEEL CORP | 6 | 2019–2021 |
| WAKABAYASHI CHISATOself | 6 | 2015–2019 |
| KAWATA HIROYUKI | 4 | 2015–2019 |
| MARUYAMA NAOKI | 3 | 2015–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 2015–2021 |
| Kimitsu, JP | 1 | 2019 |