Inventor · San Gabriel, CA, US

David Chang

34Patents
4h-index
7Co-inventors
48Inventor score

Filing activity: Nov 20, 2014 → Oct 29, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US9576427B2 Skill-based bonusing interleaved wagering system Physics 9 Active
US10643427B2 Threshold triggered interleaved wagering system Physics 6 Active
US10026261B2 Dynamic wager updating gambling hybrid game Physics 6 Active
US9818260B2 Delayed wagering interleaved wagering system Physics 4 Active
US9691223B2 Selectable intermediate result interleaved wagering system Physics 3 Active
US9881458B2 Skill-based bonusing interleaved wagering system Physics 3 Active
US9672698B2 Second chance lottery skill wagering interleaved game system Human Necessities 2 Active
US9805552B2 Multi-state opportunity interleaved wagering system Physics 1 Active
US10885739B2 Parallel AI hybrid gaming system Physics 1 Active
US9747747B2 Alternative application resource interleaved wagering system Physics 1 Active
US10049530B2 Second chance lottery skill wagering interleaved game system Human Necessities 1 Active
US10255762B2 Selectable intermediate result interleaved wagering system Physics 1 Active
US10438440B2 Integrated wagering process interleaved skill wagering gaming system Physics 1 Active
US9761085B2 Record display of an interleaved wagering system Physics 1 Active
US9659438B2 Delayed wagering interleaved wagering system Physics 1 Active
US10074239B2 Integrated gambling process for games with explicit random events Physics 0 Active
US10460558B2 User selectable gambling game hybrid game Physics 0 Active
US10089826B2 Record display of an interleaved wagering system Physics 0 Active
US10909802B2 Dynamic wager updating gambling hybrid game Physics 0 Active
US10922924B2 Selectable intermediate result interleaved wagering system Physics 0 Active
US11094164B2 User selectable gambling game hybrid game Physics 0 Active
US10282943B2 Record display of an interleaved wagering system Physics 0 Active
US10242526B2 Delayed wagering interleaved wagering system Physics 0 Active
US10068423B2 Lottery system with skill wagering interleaved game Physics 0 Active
US10504335B2 Second chance lottery skill wagering interleaved game system Human Necessities 0 Active

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