Growing community of inventors

Phoenix, AZ, United States of America

Diego Espinosa

Average Co-Inventor Count = 4.86

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 27

Diego EspinosaLisa Steury (2 patents)Diego EspinosaMeg Rediess (2 patents)Diego EspinosaRobert G Barnes (2 patents)Diego EspinosaTraci L Harris (1 patent)Diego EspinosaKrista Freiland (1 patent)Diego EspinosaWade Chism (1 patent)Diego EspinosaWarren P Warner (1 patent)Diego EspinosaRobert B Cross (1 patent)Diego EspinosaTovah L Licht (1 patent)Diego EspinosaDiego Espinosa (3 patents)Lisa SteuryLisa Steury (5 patents)Meg RediessMeg Rediess (2 patents)Robert G BarnesRobert G Barnes (2 patents)Traci L HarrisTraci L Harris (2 patents)Krista FreilandKrista Freiland (2 patents)Wade ChismWade Chism (1 patent)Warren P WarnerWarren P Warner (1 patent)Robert B CrossRobert B Cross (1 patent)Tovah L LichtTovah L Licht (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. American Express Travel Related Services Company, Inc. (3 from 1,453 patents)


3 patents:

1. 8700435 - System and method for redemption and exchange of unused tickets

2. 7536307 - Ticket tracking and redeeming system and method

3. 7529681 - Ticket tracking, reminding, and redeeming system and method

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1/13/2026
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