Inventor
Masahiro Kagawa
Inventor
Aichi, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling31%
B21BRolling of metal23%
B22CFoundry moulding15%
B22DCasting of metals15%
C21DModifying the physical structure of ferrous metals15%
PatentTitleYear
6,375,059'Method for smoothing steel pipe seam portion'20026,216,511'Apparatus and method for smoothing a welded seam of steel pipe'20016,216,940'Pipe forming roll apparatus and method'20016,041,632'Pipe forming roll apparatus and method'20004,760,724'Method of and apparatus for controlling operation of a cross helical rolling mill'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2002Patents assigned to KAWASAKI STEEL CO (5)· patent assignee history
1988–2002Based in Aichi, JP· patent location history
2000–2001Patents assigned to KUSAKABE ELECTRIC & MACH CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAWASAKI STEEL CO | 5 | 1988–2002 |
| KUSAKABE ELECTRIC & MACH CO | 2 | 2000–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aichi, JP | 5 | 1988–2002 |