Growing community of inventors

Phoenix, AZ, United States of America

David D Castillo

Average Co-Inventor Count = 1.23

ph-index = 11

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 = 463

David D CastilloJames D Castillo (4 patents)David D CastilloDaniel Castillo (2 patents)David D CastilloDavid D Castillo (16 patents)James D CastilloJames D Castillo (30 patents)Daniel CastilloDaniel Castillo (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (8 from 832,961 patents)

2. Asterisk.asterisk, LLC (8 from 12 patents)


16 patents:

1. 8882689 - Knee brace

2. D646790 - Knee brace

3. 7947005 - One piece brace liner having multiple adjustment zones

4. 7686776 - Flexible tether member connecting a knee brace to a boot

5. 7578800 - Tether member connecting a knee brace to a boot

6. 7458949 - Flexible tether member connecting a knee brace to a boot

7. D548844 - Knee brace

8. 7182740 - One piece brace liner having multiple adjustment zones

9. D517248 - Patella cup protector

10. 6193080 - Paint brush support

11. 4911187 - Dental pick brush apparatus

12. 4867444 - Grip apparatus for weightlifting bar

13. 4745685 - Movable jaw measuring apparatus

14. 4614338 - Horizontal force exercise apparatus

15. 4611807 - Exercise apparatus having a pair of spaced apart rotating discs

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as of
1/14/2026
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