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Inventor

Christian O. Johnson

Inventor
Rochester Hills, MI, US

Overview

3→
Patents
2002–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for33%
G02BOptical elements, systems or apparatus17%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes17%
G07CTime or attendance registers17%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light17%
PatentTitleYear
10,886,688Calibration technique for determining laser beam location after azimuth mirror20216,653,747'Electronic key system including ignition and transmission control'20036,386,447'Smart card with card in vehicle warning'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to SIEMENS AUTOMOTIVE CORP LP (1)· patent assignee history
2002–2003Based in Rochester Hills, MI, US· patent location history
2003Patents assigned to SIEMENS VDO AUTOMOTIVE CORP (1)· patent assignee history
2021Patents assigned to BAE SYS INF & ELECT SYS INTEG (1)· patent assignee history
2021Based in Nashua, NH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAE SYS INF & ELECT SYS INTEG12021
SIEMENS AUTOMOTIVE CORP LP12002
SIEMENS VDO AUTOMOTIVE CORP12003
Locations
LocationPatentsSpan
Rochester Hills, MI, US22002–2003
Nashua, NH, US12021