Inventor
Hiroi Yamaguchi
Inventor
Tokyo, JP
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals25%
C22CAlloys24%
H01FMagnets22%
C23CCoating metallic material12%
Y10TTechnical subjects covered by former us classification4%
B21BRolling of metal3%
B23KSoldering or unsoldering2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
G01RMeasuring electric variables2%
C09DCoating compositions, e.g. paints, varnishes or lacquers1%
PatentTitleYear
10,395,806Grain-oriented electrical steel sheet and method of manufacturing the same201910,214,793Method and device for nitriding grain-oriented electrical steel sheet201910,066,286Apparatus and method for nitriding grain-oriented electrical steel sheet201810,062,483Grain-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 same201810,011,886Grain-oriented electrical steel sheet and manufacturing method thereof20189,984,800Grain-oriented electrical steel sheet and method of manufacturing same20189,953,752Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet20189,905,343'Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet'20189,875,832Grain-oriented electrical steel sheet20189,799,432'Grain oriented electrical steel sheet'20179,708,682'Production method for grain-oriented electrical steel sheet'20179,646,749'Grain-oriented electrical steel sheet'20179,536,658'Grain oriented electrical steel sheet and method for manufacturing the same'20179,536,657'Grain oriented electrical steel sheet and method for manufacturing the same'20179,514,868'Grain oriented electrical steel sheet and method for manufacturing the same'20169,406,437'Grain oriented electrical steel sheet and method for manufacturing the same'20169,396,850'Grain oriented electrical steel sheet and method for manufacturing the same'20169,396,872'Grain oriented electrical steel sheet and method for manufacturing the same'20169,346,123'Device to improve iron loss properties of grain oriented electrical steel sheet and method for improving iron loss properties of grain oriented electrical steel sheet'20169,330,839'Grain oriented electrical steel sheet and method for manufacturing the same'20169,304,078'Electron gun abnormality detecting device and electron gun abnormality detecting method'20169,240,266'Grain oriented electrical steel sheet'20168,784,995'Grain oriented electrical steel sheet and method for manufacturing the same'20146,758,915'Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same'20046,136,456'Grain oriented electrical steel sheet and method'20005,885,374'Process for producing grain oriented silicon steel sheet and decarburized sheet'19995,853,499'Grain-oriented electrical steel sheet and method of manufacturing the same'19985,725,681'Process for producing grain oriented silicon steel sheet, and decarburized sheet'19985,718,775'Grain-oriented electrical steel sheet and method of manufacturing the same'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2000Patents assigned to KAWASAKI STEEL CO (5)· patent assignee history
1998–2000Based in Okayama, JP· patent location history
2004–2019Patents assigned to JFE STEEL CORP (26)· patent assignee history
2004–2019Based in Kurashiki, JP· patent location history
2014–2017Patents assigned to OMURA TAKESHI (11)· patent assignee history
2014–2017Patents assigned to YAMAGUCHI HIROI (11)· patent assignee history
2014–2017Patents assigned to OKABE SEIJI (10)· patent assignee history
2014–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 26 | 2004–2019 |
| OMURA TAKESHI | 11 | 2014–2017 |
| YAMAGUCHI HIROIself | 11 | 2014–2017 |
| OKABE SEIJI | 10 | 2014–2017 |
| KAWASAKI STEEL CO | 5 | 1998–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 19 | 2014–2019 |
| Kurashiki, JP | 7 | 2004–2019 |
| Okayama, JP | 5 | 1998–2000 |