Inventor
Hiromasa Takada
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys31%
C21DModifying the physical structure of ferrous metals23%
B21JForging11%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for9%
B22DCasting of metals6%
B05BSpraying apparatus3%
B21BRolling of metal3%
B23KSoldering or unsoldering3%
B60GVehicle suspension arrangements3%
B62DMotor vehicles3%
PatentTitleYear
10,266,908Rolled steel bar for machine structural use and method of producing the same201910,260,123Rolled steel bar for machine structural use and method of producing the same201910,119,185Low specific gravity steel for forging use excellent in machineability20189,187,797'Steel part for machine structural use and manufacturing method thereof'20158,926,767'Steel part for machine structural use and manufacturing method thereof'20158,916,008'Steel part for machine structural use and manufacturing method thereof'20148,186,696'Steering tie rod end made of steel and method of manufacturing the same'20128,151,809'Cleaning apparatus for vehicle lamp'20127,824,508'Fine grain surface layer steel part and method of production of same'20107,434,748'Vehicle lamp washing device'20086,793,153'Structure for mounting headlamp cleaner'20046,143,242'Steel for machine structural use excellent in fracture splitability and fatigue strength'20006,036,790'Non-tempered steel for mechanical structure'20005,993,571'Steel for machine structural use and machine parts made from such steel'19995,660,648'Microalloyed steel for hot forging free of subsequent quenching and tempering, process for producing hot forging, and a hot forging'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2012Patents assigned to NIPPON STEEL CORP (5)· patent assignee history
1997–2000Based in Muroran, JP· patent location history
2004–2012Patents assigned to KOITO MFG CO LTD (3)· patent assignee history
2004–2012Based in Shizuoka, JP· patent location history
2010–2018Based in Tokyo, JP· patent location history
2012–2018Patents assigned to TAKADA HIROMASA (6)· patent assignee history
2012–2015Patents assigned to TERAMOTO SHINYA (4)· patent assignee history
2012Based in Chiyoda-ku, JP· patent location history
2014–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (6)· patent assignee history
2019Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 6 | 2014–2019 |
| TAKADA HIROMASAself | 6 | 2012–2018 |
| NIPPON STEEL CORP | 5 | 1997–2012 |
| TERAMOTO SHINYA | 4 | 2012–2015 |
| KOITO MFG CO LTD | 3 | 2004–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2010–2018 |
| Muroran, JP | 4 | 1997–2000 |
| Shizuoka, JP | 3 | 2004–2012 |
| Chiba, JP | 2 | 2019 |
| Chiyoda-ku, JP | 1 | 2012 |