Inventor
Takanori Tamari
Inventor
Chiyoda-ku, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals20%
C22CAlloys20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B21BRolling of metal7%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling7%
B23KSoldering or unsoldering7%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper7%
B41CProcesses for the manufacture or reproduction of printing surfaces7%
C23FNon-mechanical removal of metallic material from surface7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
7,862,666'Highly anticorrosive high strength stainless steel pipe for linepipe and method for manufacturing same'20117,842,141'Stainless-steel pipe for oil well and process for producing the same'20107,767,037'High strength stainless steel pipe for use in oil well having superior corrosion resistance and manufacturing method thereof'20104,959,275'Process and equipment for micro-pattern forming on roll surface, metal sheets for pressworking prepared by the roll, and method of preparing same'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to KAWASAKI STEEL CO (1)· patent assignee history
1990Based in Chiba, JP· patent location history
2010–2011Patents assigned to JFE STEEL CORP (3)· patent assignee history
2010–2011Based in Chiyoda-ku, JP· patent location history
2010Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 3 | 2010–2011 |
| KAWASAKI STEEL CO | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiyoda-ku, JP | 2 | 2010–2011 |
| Tokyo, JP | 1 | 2010 |
| Chiba, JP | 1 | 1990 |