Pi-Ming Cheng

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Roseville, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle positioning system using location codes in passive tags
- Patent number 7,990,286
- Issue date Aug 2, 2011
- Regents of the University of Minnesota
- Craig Shankwitz
- G01 - MEASURING TESTING
Information Patent Grant
Virtual mirror
- Patent number 7,375,728
- Issue date May 20, 2008
- University of Minnesota
- Max Donath
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Intersection assistance system and method
- Patent number 7,209,051
- Issue date Apr 24, 2007
- University of Minnesota
- Craig R. Shankwitz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mobility assist device
- Patent number 6,977,630
- Issue date Dec 20, 2005
- University of Minnesota
- Max Donath
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Vehicle Positioning System Using Location Codes in Passive Tags
- Publication number 20090115638
- Publication date May 7, 2009
- Craig Shankwitz
- G08 - SIGNALLING
Information Patent Application
Intersection assistance system and method
- Publication number 20050174257
- Publication date Aug 11, 2005
- The University of Minnesota
- Craig R. Shankwitz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Mobility assist device
- Publication number 20040066376
- Publication date Apr 8, 2004
- Max Donath
- B60 - VEHICLES IN GENERAL
Information Patent Application
Virtual mirror
- Publication number 20030128182
- Publication date Jul 10, 2003
- Max Donath
- B60 - VEHICLES IN GENERAL