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Alderley Edge, United Kingdom

Graham David Allen

Average Co-Inventor Count = 1.00

ph-index = 15

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 = 571

Graham David AllenGraham David Allen (31 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kh Technology Corporation (26 from 34 patents)

2. Gp Acoustics (uk) Limited (4 from 22 patents)

3. Gp Accoustics (u.k.) Ltd. (1 from 1 patent)


31 patents:

1. D547746 - Loudspeaker

2. D547747 - Loudspeaker

3. D527372 - Loudspeaker

4. D519491 - Loudspeaker

5. D515556 - Loudspeaker

6. D513746 - Loudspeaker

7. D513745 - Loudspeaker

8. D511758 - DVD player

9. D511759 - DVD player

10. D501845 - Loudspeaker

11. D498229 - Loudspeaker

12. D497155 - Loudspeaker

13. D496923 - Loudspeaker

14. D496351 - Loudspeaker

15. D496350 - Loudspeaker

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as of
12/19/2025
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