Inventor · Los Altos, CA, US

Gerhard Lengeling

44Patents
14h-index
29Co-inventors
77Inventor score

Filing activity: Dec 31, 2002 → Jun 3, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7631119B2 Techniques for providing audio for synchronized playback by multiple devices Physics 199 Active
US8185674B2 System having a plurality of buffers for providing audio for synchronized playback to multiple audio devices Physics 163 Active
US8904066B2 Using a plurality of buffers to provide audio for synchronized playback to multiple audio devices having separate device clocks Physics 149 Active
USD855646S1 Display screen or portion thereof with animated graphical user interface General 78 Active
US9208821B2 Method and system to process digital audio data Physics 66 Active
US8338684B2 Musical instruction and assessment systems Physics 65 Active
USD781907S1 Display screen or portion thereof with graphical user interface General 46 Active
US7166795B2 Method and apparatus for simulating a mechanical keyboard action in an electronic keyboard Physics 31 Expired
USD879828S1 Display screen or portion thereof with graphical user interface General 27 Active
US9024884B2 Touch-sensitive electronic apparatus for media applications, and methods therefor Physics 26 Active
US8037220B2 Techniques for providing audio for synchronized playback by multiple devices Physics 24 Active
US9640158B1 Dynamic music authoring Physics 17 Active
US10055046B2 Touch-sensitive electronic apparatus for media applications, and methods therefor Physics 15 Active
US7465868B2 Frameless musical keyboard Physics 14 Expired
US7549131B2 Method of controlling movement of a cursor on a screen and a computer readable medium containing such a method as a program code Physics 11 Expired
US8785757B2 Musical instruction and assessment systems Physics 11 Active
US8330033B2 Graphical user interface for music sequence programming Physics 10 Active
US7603623B1 User interface to automatically correct timing in playback for audio recordings Physics 10 Active
US9953624B2 Dynamic music authoring Physics 9 Active
US8175288B2 User interface for mixing sounds in a media application Physics 7 Active
US7808521B2 Multimedia conference recording and manipulation interface Electricity 7 Active
US8255069B2 Digital audio processor Physics 7 Active
US7250566B2 Evaluating and correcting rhythm in audio data Physics 6 Active
US8957296B2 Chord training and assessment systems Physics 6 Active
US7148415B2 Method and apparatus for evaluating and correcting rhythm in audio data Physics 5 Expired

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