Growing community of inventors

Tempe, AZ, United States of America

Derek Michael Underhill

Average Co-Inventor Count = 3.28

ph-index = 24

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 = 2,026

Derek Michael UnderhillJonathan Lewis Nook (171 patents)Derek Michael UnderhillJames Richard Stanfield (150 patents)Derek Michael UnderhillWilliam Knight Nook, Sr (125 patents)Derek Michael UnderhillJames P McBride (9 patents)Derek Michael UnderhillMatthew Michael Bosway (5 patents)Derek Michael UnderhillIfechukwude Christian Iwerunmor (5 patents)Derek Michael UnderhillTom Situ (5 patents)Derek Michael UnderhillWilliam Knight Nook (2 patents)Derek Michael UnderhillKevin Brantley (2 patents)Derek Michael UnderhillAndrea Carolina Hacker Davidson (1 patent)Derek Michael UnderhillMatthew Filippelli (1 patent)Derek Michael UnderhillSr Nook (1 patent)Derek Michael UnderhillWilliam Knight Nook (1 patent)Derek Michael UnderhillDerek Michael Underhill (182 patents)Jonathan Lewis NookJonathan Lewis Nook (171 patents)James Richard StanfieldJames Richard Stanfield (160 patents)William Knight Nook, SrWilliam Knight Nook, Sr (126 patents)James P McBrideJames P McBride (31 patents)Matthew Michael BoswayMatthew Michael Bosway (24 patents)Ifechukwude Christian IwerunmorIfechukwude Christian Iwerunmor (5 patents)Tom SituTom Situ (5 patents)William Knight NookWilliam Knight Nook (2 patents)Kevin BrantleyKevin Brantley (2 patents)Andrea Carolina Hacker DavidsonAndrea Carolina Hacker Davidson (2 patents)Matthew FilippelliMatthew Filippelli (1 patent)Sr NookSr Nook (2 patents)William Knight NookWilliam Knight Nook (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Noco Company (179 from 208 patents)

2. The Noco Comapany (1 from 1 patent)


182 patents:

1. D1082698 - Busbar for a battery

2. D1082314 - Case

3. 12300915 - Battery clamp device

4. 12278445 - Electrical port device

5. D1067187 - Battery clamp

6. D1066252 - Battery clamp

7. D1063845 - Battery clamp

8. D1063831 - Jump starting device

9. D1063847 - USB-C port with circuit board

10. D1064463 - Vacuum

11. 12208696 - Portable vehicle battery jump start apparatus with safety protection

12. 12212170 - Rechargeable battery jump starting device and battery frame

13. D1058489 - Battery

14. D1058488 - Battery

15. D1058487 - Battery

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as of
9/10/2025
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