Inventor
Hans-Joachim Frohne
Inventor
Lehre, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches56%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for22%
H01CResistors11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
7,617,708'Ignition lock for a motor vehicle and method of operating an ignition lock system'20097,394,034'Electric push-button switch with lighting arrangement'20087,297,889'Rotary switch'20077,292,916'Method for operation of a vehicle and corresponding device'20076,680,450'Electric switch with damping elements to minimize switching noise'2004RE036834'Electrical switch'20005,565,663'Electrical Switch'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2000Patents assigned to KOSTAL LEOPOLD GMBH & CO KG (2)· patent assignee history
1996–2009Based in Lehre, DE· patent location history
2004–2008Patents assigned to TRW AUTOMOTIVE ELECTRON & COMP (3)· patent assignee history
2007–2009Patents assigned to VOLKSWAGEN AG (2)· patent assignee history
2009Patents assigned to MARQUARDT GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TRW AUTOMOTIVE ELECTRON & COMP | 3 | 2004–2008 |
| KOSTAL LEOPOLD GMBH & CO KG | 2 | 1996–2000 |
| VOLKSWAGEN AG | 2 | 2007–2009 |
| MARQUARDT GMBH | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lehre, DE | 7 | 1996–2009 |