Inventor
Kenichi Iwazaki
Inventor
Tokyo, JP
Overview
Patents· 7 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 rolling23%
B23KSoldering or unsoldering20%
C21DModifying the physical structure of ferrous metals13%
F16LPipes10%
C22CAlloys7%
C23CCoating metallic material7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B21BRolling of metal3%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
B60GVehicle suspension arrangements3%
PatentTitleYear
11,045,896Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same202110,787,720Electric resistance welded steel pipe for high-strength hollow stabilizer, and method for manufacturing electric resistance welded steel pipe for high-strength hollow stabilizer202010,369,655Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same201910,301,703High-strength welded steel pipe for airbag inflator and method for manufacturing the same20199,000,320'Method of manufacturing electric resistance welding pipe having excellent characterization of welded seam'20156,140,601'Laser-welded steel pipe and method therefor'20005,961,748'Laser-welded steel pipe'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2000Patents assigned to NIPPON KOKAN KK (2)· patent assignee history
1999–2020Based in Tokyo, JP· patent location history
2015–2021Patents assigned to JFE STEEL CORP (5)· patent assignee history
2015Patents assigned to INOUE TOMOHIRO (1)· patent assignee history
2015Patents assigned to IWAZAKI KENICHI (1)· patent assignee history
2015Patents assigned to KENMOCHI KAZUHITO (1)· patent assignee history
2019–2021Based in Ichihara, JP· patent location history
2019Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 5 | 2015–2021 |
| NIPPON KOKAN KK | 2 | 1999–2000 |
| INOUE TOMOHIRO | 1 | 2015 |
| IWAZAKI KENICHIself | 1 | 2015 |
| KENMOCHI KAZUHITO | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1999–2020 |
| Ichihara, JP | 2 | 2019–2021 |
| Kawasaki, JP | 1 | 2019 |