Growing community of inventors

Pasadena, CA, United States of America

Derek Lee Howard

Average Co-Inventor Count = 1.88

ph-index = 6

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 = 80

Derek Lee HowardDavid Crawford (6 patents)Derek Lee HowardDavid Durham (4 patents)Derek Lee HowardMark W Sumner (3 patents)Derek Lee HowardPaul E Baker (3 patents)Derek Lee HowardChristopher J Rose (3 patents)Derek Lee HowardEdward Allen Nemeth (2 patents)Derek Lee HowardJames H Shull (1 patent)Derek Lee HowardPeyton B Buhler (1 patent)Derek Lee HowardThomas Fitzgerald (1 patent)Derek Lee HowardSpencer T Banks (1 patent)Derek Lee HowardDavid W Crawford (0 patent)Derek Lee HowardDerek Lee Howard (12 patents)David CrawfordDavid Crawford (65 patents)David DurhamDavid Durham (6 patents)Mark W SumnerMark W Sumner (9 patents)Paul E BakerPaul E Baker (6 patents)Christopher J RoseChristopher J Rose (5 patents)Edward Allen NemethEdward Allen Nemeth (34 patents)James H ShullJames H Shull (6 patents)Peyton B BuhlerPeyton B Buhler (3 patents)Thomas FitzgeraldThomas Fitzgerald (2 patents)Spencer T BanksSpencer T Banks (1 patent)David W CrawfordDavid W Crawford (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Disney Enterprises, Inc. (12 from 2,768 patents)


12 patents:

1. 10442315 - Roller coaster with passenger compartment motion powered through stored onboard energy

2. 10213701 - Passenger restraint for upright, straddle-type seating in an amusement park ride vehicle

3. 10155171 - Track-based swing ride with long arm pendulum

4. 9744930 - Passenger restraint providing lateral leg containment in an amusement park ride vehicle

5. 9272224 - Amusement park ride with cantilevered ride vehicles

6. 8636600 - Roller coaster vehicle

7. 8490550 - Roller coaster with articulable seat backs

8. 8360893 - Roller coaster vehicle

9. 8141495 - Amusement park ride with vehicles pivoting about a common chassis to provide racing and other effects

10. 8132513 - Amusement park ride with a vehicle drive that decouples upon loss of power

11. 7921781 - Amusement park ride with vehicles pivoting about a common chassis to provide racing and other effects

12. 7806054 - Amusement park ride with vehicles pivoting about a common chassis to provide racing and other effects

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as of
12/15/2025
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