Inventor
Sadao Kokubo
Inventor
Oyama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification21%
F16FSprings13%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material8%
B60GVehicle suspension arrangements8%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling4%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels4%
B23PMetal-working not otherwise provided for4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
PatentTitleYear
9,555,505'Forging method'20178,814,234'Vehicle bumper beam and method for manufacturing same'20148,287,012'Bumper reinforcement for vehicles'20127,516,986'Steering support beam'20096,007,058'Mounting component for a cylindrical bushing and a mounting body'19995,954,309'Aluminum alloy bracket for fixing elastic mount, assembly of elastic mount and bracket, and method of producing the bracket by extrusion'19995,857,659'Mounting component for a cylindrical bushing and a mounting body'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to SHOWA ALUMINUM CORP (3)· patent assignee history
1999Patents assigned to TOKAI RUBBER IND LTD (3)· patent assignee history
1999Based in Ibaraki, JP· patent location history
1999Based in Akinomachi, JP· patent location history
1999Based in Akeno-machi, JP· patent location history
2009–2017Patents assigned to SHOWA DENKO KK (4)· patent assignee history
2009–2014Based in Oyama, JP· patent location history
2012–2017Patents assigned to KOKUBO SADAO (3)· patent assignee history
2017Patents assigned to IGARASHI KAZUO (1)· patent assignee history
2017Based in Kitakata, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHOWA DENKO KK | 4 | 2009–2017 |
| KOKUBO SADAOself | 3 | 2012–2017 |
| SHOWA ALUMINUM CORP | 3 | 1999 |
| TOKAI RUBBER IND LTD | 3 | 1999 |
| IGARASHI KAZUO | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oyama, JP | 3 | 2009–2014 |
| Kitakata, JP | 1 | 2017 |
| Ibaraki, JP | 1 | 1999 |
| Akinomachi, JP | 1 | 1999 |
| Akeno-machi, JP | 1 | 1999 |