Inventor

Cheng-Foo Chen

Inventor

Rochester Hills, MI, US

Overview

1997–2020

Patent span

Performing operations

Primary field (CPC B)

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

B60Gprimary

B60GVehicle suspension arrangements22%

B60WConjoint control of vehicle sub-units of different type or different function22%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general11%

B60TVehicle brake control systems or parts thereof11%

G01CMeasuring distances, levels or bearings11%

G01NInvestigating or analysing materials by determining their chemical or physical properties11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to AMERICAN SYSTEMS TECHNOLOGY IN (1)· patent assignee history

1997Based in Troy, MI, US· patent location history

2000Patents assigned to GEN MOTORS CORP (1)· patent assignee history

2000–2012Based in Rochester Hills, MI, US· patent location history

2009–2012Patents assigned to GM GLOBAL TECH OPERATIONS INC (3)· patent assignee history

2012Patents assigned to CHEN CHENG-FOO (1)· patent assignee history

2020Patents assigned to CUBTEK INC (1)· patent assignee history

2020Based in Zhubei City, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GM GLOBAL TECH OPERATIONS INC	3	2009–2012
AMERICAN SYSTEMS TECHNOLOGY IN	1	1997
CHEN CHENG-FOOself	1	2012
CUBTEK INC	1	2020
GEN MOTORS CORP	1	2000

Locations