Inventor
Tetsuharu Ibaraki
Inventor
Tokyo, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Bprimary
C21BManufacture of iron or steel28%
Y02PClimate change mitigation technologies in the production or processing of goods25%
C22BProduction and refining of metals14%
B01DSeparation6%
B09BDisposal of solid waste not otherwise provided for6%
C04BLime, magnesia6%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
F27BFurnaces, kilns, ovens or retorts in general3%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace3%
PatentTitleYear
9,034,074'Process for producing reduced iron pellets, and process for producing pig iron'20158,440,016'Sulfate resistant ground granulated blast furnace slag, sulfate resistant cement, and method of production of same'20138,419,851'Sulfate resistant cement'20138,308,844'Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead'20128,092,574'Method of producing reduced iron cast, and method of producing pig iron'20127,879,132'Method for reduction treatment of metal oxide or ironmaking waste and method for concentration and recovery zinc and/or lead'20117,192,552'Facility for reducing metal oxide, method of operating the same, and shaped article of raw material for reducing furnace'20076,993,855'Method for drying compact containing metal oxide, method for reducing metal oxide, and rotary-hearth-type metal reducing furnace'20066,986,801'Method of producing reduced iron compacts in rotary hearth-type reducing furnace, reduced iron compacts, and method of producing molten iron using them'20066,755,888'Facility for reducing metal oxide, method for operating the facilities and moldings as raw material to be charged to reduction furnace'20045,135,572'Method for in-bath smelting reduction of metals'19925,078,785'Method of operating in-bath smelting reduction furnace'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2012Patents assigned to NIPPON STEEL CORP (9)· patent assignee history
1992Based in Sakai, JP· patent location history
2004–2007Based in Chiba, JP· patent location history
2006–2012Based in Kimitsu, JP· patent location history
2012–2015Patents assigned to IBARAKI TETSUHARU (5)· patent assignee history
2012–2015Based in Tokyo, JP· patent location history
2013–2015Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (3)· patent assignee history
2013Patents assigned to NAGAO YUKIHIKO (2)· patent assignee history
2013Patents assigned to NIPPON STEEL ESMENT KANTO CO LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 9 | 1992–2012 |
| IBARAKI TETSUHARUself | 5 | 2012–2015 |
| NIPPON STEEL & SUMITOMO METAL CORP | 3 | 2013–2015 |
| NAGAO YUKIHIKO | 2 | 2013 |
| NIPPON STEEL ESMENT KANTO CO LTD | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2012–2015 |
| Kimitsu, JP | 4 | 2006–2012 |
| Chiba, JP | 2 | 2004–2007 |
| Sakai, JP | 2 | 1992 |