Inventor
Yoshikazu Kawabata
Inventor
Handa, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals26%
C22CAlloys26%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling11%
Y10TTechnical subjects covered by former us classification11%
B21BRolling of metal8%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material5%
B23KSoldering or unsoldering3%
B60GVehicle suspension arrangements2%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis2%
PatentTitleYear
10,308,994Seamless steel tube for fuel injection201910,301,703High-strength welded steel pipe for airbag inflator and method for manufacturing the same20199,862,014'Method for electric resistance welded steel tube'20188,505,941'Torsion beam manufacturing method and torsion beam'20137,992,762'Frictionally press-bonded member'20117,942,984'Steel pipe with good magnetic properties and method of producing the same'20117,887,649'High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same'20117,591,914'High-workability steel pipe and method of producing same'20097,018,488'Steel pipe for use in reinforcement of automobile and method for production thereof'20066,755,919'Stainless steel tube for automobile structure'20046,749,954'Welded steel pipe having excellent hydroformability and method for making the same'20046,736,910'High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same'20046,723,453'Welded steel pipe having excellent hydroformability and method for making the same'20046,682,829'Welded steel pipe having excellent hydroformability and method for making the same'20046,217,680'Thick cold rolled steel sheet excellent in deep drawability and method of manufacturing the same'20016,103,394'Thin steel sheet having excellent rectangular drawability and production method thereof'20005,976,282'Method for producing austenitic steel plate with excellent surface brightness and corrosion resistance'19995,626,694'Process for the production of stainless steel sheets having an excellent corrosion resistance'19975,139,583'Graphite precipitated hot-rolled steel plate having excellent bending workability and hardenability and method therefor'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2001Patents assigned to KAWASAKI STEEL CO (5)· patent assignee history
1992–2001Based in Chiba, JP· patent location history
2004–2019Patents assigned to JFE STEEL CORP (14)· patent assignee history
2004–2011Based in Handa, JP· patent location history
2004–2013Based in Aichi, JP· patent location history
2011Patents assigned to JTEKT CORP (1)· patent assignee history
2013Patents assigned to HASHIMOTO YUJI (1)· patent assignee history
2013Patents assigned to KAWABATA YOSHIKAZU (1)· patent assignee history
2018–2019Based in Tokyo, JP· patent location history
2019Based in Kurashiki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 14 | 2004–2019 |
| KAWASAKI STEEL CO | 5 | 1992–2001 |
| HASHIMOTO YUJI | 1 | 2013 |
| JTEKT CORP | 1 | 2011 |
| KAWABATA YOSHIKAZUself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Handa, JP | 6 | 2004–2011 |
| Chiba, JP | 5 | 1992–2001 |
| Aichi, JP | 4 | 2004–2013 |
| Tokyo, JP | 2 | 2018–2019 |
| Kurashiki, JP | 1 | 2019 |