Inventor
Yasuharu Sakuma
Inventor
Kimitsu, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals28%
C22CAlloys28%
C23CCoating metallic material18%
Y10TTechnical subjects covered by former us classification13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel3%
C25DProcesses for the electrolytic or electrophoretic production of coatings3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,023,947High strength steel plate with ultimate tensile strength of 900 MPa or more excellent in hydrogen embrittlement resistance and method of production of same20188,747,577'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'20148,163,108'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'20117,413,780'High strength galvannealed steel sheet excellent in workability and a method of production of the same'20086,544,354'High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof'20036,511,553'Steel for steel excellent in workability and method of deoxidizing same'20036,319,338'High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same'20016,129,992'High-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the same'20005,855,696'Ultra low carbon, cold rolled steel sheet and galvanized steel sheet having improved fatigue properties and processes for producing the same'19995,618,355'High-strength steel sheet suitable for deep drawing and process for producing the same'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2012Patents assigned to NIPPON STEEL CORP (9)· patent assignee history
1997–2014Based in Kimitsu, JP· patent location history
2011–2018Patents assigned to SAKUMA YASUHARU (5)· patent assignee history
2011–2014Patents assigned to YOSHINAGA NAOKI (4)· patent assignee history
2012–2018Patents assigned to AZUMA MASAFUMI (3)· patent assignee history
2012–2018Patents assigned to MARUYAMA NAOKI (3)· patent assignee history
2012–2018Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 9 | 1997–2012 |
| SAKUMA YASUHARUself | 5 | 2011–2018 |
| YOSHINAGA NAOKI | 4 | 2011–2014 |
| AZUMA MASAFUMI | 3 | 2012–2018 |
| MARUYAMA NAOKI | 3 | 2012–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kimitsu, JP | 9 | 1997–2014 |
| Tokyo, JP | 3 | 2012–2018 |