Inventor
Hideki Hamatani
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering24%
C22CAlloys15%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling12%
C21DModifying the physical structure of ferrous metals8%
Y10TTechnical subjects covered by former us classification8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
H05HPlasma technique3%
B21BRolling of metal2%
B22DCasting of metals2%
PatentTitleYear
11,027,361Spot-welded joint and spot welding method202111,028,456Electric resistance welded steel pipe for torsion beam202110,738,366Electric-resistance welded steel pipe202010,262,412Welded state monitoring system and welded state monitoring method201910,196,702Electric resistance welded steel pipe for oil well201910,081,073Spot welded joint201810,081,042Electric resistance welded steel pipe excellent in weld zone and method of production of same20189,702,019'Quenched steel pipe member, vehicle axle beam using quenched steel pipe member, and method for manufacturing quenched steel pipe member'20179,610,648'Spot welded joint and spot welding method'20179,446,473'Electric resistance welding operation management device, electric resistance welding operation management method, and computer program'20169,226,378'Plasma torch'20159,199,291'Operation management device, operation management method, and operation management program for high-frequency resistance welding and induction welding'20159,050,681'Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe'20158,962,149'Spot welded joint'20158,406,504'System and method for monitoring of welding state'20137,767,314'Weld joint formed with stainless steel-based weld metal for welding a zinc-based alloy coated steel sheet'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2021Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
2010Based in Chiba, JP· patent location history
2013–2021Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (15)· patent assignee history
2013–2015Patents assigned to HAMATANI HIDEKI (5)· patent assignee history
2013–2015Patents assigned to HASEGAWA NOBORU (2)· patent assignee history
2013–2015Patents assigned to MIYAKAWA TAKASHI (2)· patent assignee history
2013–2021Based in Tokyo, JP· patent location history
2019Based in Tokai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 15 | 2013–2021 |
| HAMATANI HIDEKIself | 5 | 2013–2015 |
| NIPPON STEEL CORP | 3 | 2010–2021 |
| HASEGAWA NOBORU | 2 | 2013–2015 |
| MIYAKAWA TAKASHI | 2 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 2013–2021 |
| Tokai, JP | 1 | 2019 |
| Chiba, JP | 1 | 2010 |