Inventor · Grand Rapids, MI, US

Eric J. Walstra

18Patents
15h-index
23Co-inventors
74Inventor score

Filing activity: Mar 30, 1995 → Oct 17, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6297781A Rearview mirror with integrated microwave receiver Performing Operations; Transporting 572 Expired
US6980092B2 Vehicle rearview mirror assembly incorporating a communication system Electricity 399 Expired
US7565006B2 Image acquisition and processing methods for automatic vehicular exterior lighting control Emerging Cross-Sectional Technologies 326 Expired
US6166698A Rearview mirror with integrated microwave receiver Performing Operations; Transporting 178 Expired
US7327226B2 Vehicle rearview mirror assembly incorporating a communication system Electricity 178 Active
US6229434A Vehicle communication system Physics 125 Expired
US8045760B2 Automatic vehicle exterior light control systems Performing Operations; Transporting 121 Active
US7683326B2 Vehicle vision system with high dynamic range Electricity 81 Active
US7881839B2 Image acquisition and processing systems for vehicle equipment control Performing Operations; Transporting 61 Active
US6465963B1 Headlight control system utilizing information from a microwave receiver Performing Operations; Transporting 59 Expired
US5572809A Control for hydraulically operated construction machine having multiple tandem articulated members Emerging Cross-Sectional Technologies 40 Expired
US6396446B1 Microwave antenna for use in a vehicle Performing Operations; Transporting 24 Expired
US7772966B2 Vehicle rearview mirror assembly incorporating a communication system Electricity 21 Active
US6364028B1 Control and method for positioning a tool of a construction apparatus Physics 19 Expired
US6152238A Control and method for positioning a tool of a construction apparatus Physics 19 Expired
US8065053B2 Image acquisition and processing systems for vehicle equipment control Performing Operations; Transporting 11 Active
US6750823B2 Rearview mirror with integrated microwave receiver Performing Operations; Transporting 7 Expired
US8924078B2 Image acquisition and processing system for vehicle equipment control Physics 7 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.