Growing community of inventors

Tempe, AZ, United States of America

Derek Michael Underhill

Average Co-Inventor Count = 3.28

ph-index = 25

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 = 2,148

Derek Michael UnderhillJonathan Lewis Nook (176 patents)Derek Michael UnderhillJames Richard Stanfield (154 patents)Derek Michael UnderhillWilliam Knight Nook, Sr (129 patents)Derek Michael UnderhillJames P McBride (9 patents)Derek Michael UnderhillMatthew Michael Bosway (6 patents)Derek Michael UnderhillTom Situ (5 patents)Derek Michael UnderhillIfechukwude Christian Iwerunmor (5 patents)Derek Michael UnderhillWilliam Knight Nook (5 patents)Derek Michael UnderhillKevin Brantley (2 patents)Derek Michael UnderhillWilliam Knight Nook (2 patents)Derek Michael UnderhillAndrea Carolina Hacker Davidson (1 patent)Derek Michael UnderhillMatthew Filippelli (1 patent)Derek Michael UnderhillSr Nook (1 patent)Derek Michael UnderhillDerek Michael Underhill (187 patents)Jonathan Lewis NookJonathan Lewis Nook (176 patents)James Richard StanfieldJames Richard Stanfield (164 patents)William Knight Nook, SrWilliam Knight Nook, Sr (130 patents)James P McBrideJames P McBride (32 patents)Matthew Michael BoswayMatthew Michael Bosway (26 patents)Tom SituTom Situ (5 patents)Ifechukwude Christian IwerunmorIfechukwude Christian Iwerunmor (5 patents)William Knight NookWilliam Knight Nook (5 patents)Kevin BrantleyKevin Brantley (2 patents)William Knight NookWilliam Knight Nook (2 patents)Andrea Carolina Hacker DavidsonAndrea Carolina Hacker Davidson (2 patents)Matthew FilippelliMatthew Filippelli (1 patent)Sr NookSr Nook (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Noco Company (184 from 214 patents)

2. The Noco Comapany (1 from 1 patent)


187 patents:

1. 12451707 - Rechargeable battery jump starting device with control switch and optical position sensing switch system

2. 12448941 - Rechargeable battery jump starting device with depleted or discharged battery pre-conditioning system

3. D1098203 - Portable air compressor

4. D1096613 - Jump starting device

5. D1093314 - Battery clamp

6. D1082698 - Busbar for a battery

7. D1082314 - Case

8. 12300915 - Battery clamp device

9. 12278445 - Electrical port device

10. D1067187 - Battery clamp

11. D1066252 - Battery clamp

12. D1063845 - Battery clamp

13. D1063831 - Jump starting device

14. D1063847 - USB-C port with circuit board

15. D1064463 - Vacuum

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as of
10/27/2025
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