Inventor
Tsutomu Arita
Inventor
Wakayama, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material27%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling18%
B23KSoldering or unsoldering18%
F16LPipes18%
Y10TTechnical subjects covered by former us classification18%
PatentTitleYear
9,364,881'Welded component comprising seamless bent pipe and seamless straight pipe sections and methods of manufacturing thereof'20168,549,751'Method of manufacturing a welded component comprising a seamless bent pipe and seamless straight pipe sections'20137,765,850'Mechanical pipe-end expander and a method of manufacturing seamless steel pipe'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010Patents assigned to SUMITOMO METAL IND (1)· patent assignee history
2010–2016Based in Wakayama, JP· patent location history
2013–2016Patents assigned to ARITA TSUTOMU (2)· patent assignee history
2013–2016Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2013Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ARITA TSUTOMUself | 2 | 2013–2016 |
| NIPPON STEEL & SUMITOMO METAL CORP | 2 | 2013–2016 |
| SUMITOMO METAL IND | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wakayama, JP | 2 | 2010–2016 |
| Osaka, JP | 1 | 2013 |