Inventor
Sei Hiraki
Inventor
Kashima, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Dprimary
B22DCasting of metals58%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel17%
C22CAlloys17%
C04BLime, magnesia8%
PatentTitleYear
8,191,611'Method for continuous casting of steel and electromagnetic stirrer to be used therefor'20128,033,319'Method for continuous casting of steel and electromagnetic stirrer to be used therefor'20117,247,211'Method of manufacture of ultra-low carbon steel'20077,086,450'Continuous casting method, continuous casting apparatus and continuously cast steel slab'20066,726,782'Ultra-low carbon steel sheet'20045,992,711'Integrated submerged entry nozzle and its manufacture'19995,961,874'Flat formed submerged entry nozzle for continuous casting of steel'19995,871,040'Process for continuously casting thin slabs'19994,640,336'Refractory for continuous casting'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2012Patents assigned to SUMITOMO METAL IND (9)· patent assignee history
1987–1999Patents assigned to TOSHIBA CERAMICS CO (3)· patent assignee history
1987Based in Amagasaki, JP· patent location history
1999–2012Based in Kashima, JP· patent location history
2012Patents assigned to HIRAKI SEI (1)· patent assignee history
2012Patents assigned to OKADA NOBUHIRO (1)· patent assignee history
2012Patents assigned to SUWA HIDETOSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO METAL IND | 9 | 1987–2012 |
| TOSHIBA CERAMICS CO | 3 | 1987–1999 |
| HIRAKI SEIself | 1 | 2012 |
| OKADA NOBUHIRO | 1 | 2012 |
| SUWA HIDETOSHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kashima, JP | 8 | 1999–2012 |
| Amagasaki, JP | 1 | 1987 |