Inventor
Kazuhiro Hanazawa
Inventor
Tokyo, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals21%
H01FMagnets19%
C22CAlloys16%
C01BNon-metallic elements7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
C23CCoating metallic material5%
C30BSingle-crystal growth5%
G01RMeasuring electric variables5%
B23KSoldering or unsoldering2%
C23FNon-mechanical removal of metallic material from surface2%
PatentTitleYear
10,889,871Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron loss202110,535,453Grain-oriented electrical steel sheet and method for manufacturing the same202010,395,806Grain-oriented electrical steel sheet and method of manufacturing the same201910,062,483Grain-oriented electrical steel sheet and method for improving iron loss properties thereof201810,031,068Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method201810,026,533Grain-oriented electrical steel sheet for iron core and method of manufacturing the same20189,978,488Method for producing semi-processed non-oriented electrical steel sheet having excellent magnetic properties20189,939,382Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheet20189,941,038Method for producing semi-processed non-oriented electrical steel sheet having excellent magnetic properties20189,304,078'Electron gun abnormality detecting device and electron gun abnormality detecting method'20168,449,699'Cold-rolled steel sheet, method for manufacturing the same, and backlight chassis'20136,231,826'Process and apparatus for refining silicon'20016,090,361'Method for producing silicon for use in solar cells'20005,961,944'Process and apparatus for manufacturing polycrystalline silicon, and process for manufacturing silicon wafer for solar cell'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2001Patents assigned to KAWASAKI STEEL CO (3)· patent assignee history
1999–2018Based in Chiba, JP· patent location history
2013–2021Patents assigned to JFE STEEL CORP (10)· patent assignee history
2013Patents assigned to FUJITA KOICHIRO (1)· patent assignee history
2013Patents assigned to HANAZAWA KAZUHIRO (1)· patent assignee history
2013Patents assigned to KIZU TARO (1)· patent assignee history
2013–2021Based in Tokyo, JP· patent location history
2018Based in Kurashiki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 10 | 2013–2021 |
| KAWASAKI STEEL CO | 3 | 1999–2001 |
| FUJITA KOICHIRO | 1 | 2013 |
| HANAZAWA KAZUHIROself | 1 | 2013 |
| KIZU TARO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 2013–2021 |
| Chiba, JP | 6 | 1999–2018 |
| Kurashiki, JP | 1 | 2018 |