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Inventor

Hirotake Nakao

Inventor
Chiryu, JP

Overview

3→
Patents
1990–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Jprimary
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles25%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling13%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%
B23KSoldering or unsoldering13%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for13%
E04CStructural elements13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
5,992,021'Door frame and method for forming a door frame'19995,829,666'Manufacturing method of tubular bumper reinforcement member'19984,891,909'Closure for triangular window in a vehicle body'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1999Patents assigned to AISIN SEIKI (3)· patent assignee history
1990–1999Based in Chiryu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI31990–1999
Locations
LocationPatentsSpan
Chiryu, JP31990–1999