Growing community of inventors

West Hills, CA, United States of America

An Duc Nguyen

Average Co-Inventor Count = 2.41

ph-index = 7

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 = 215

An Duc NguyenCharles M Sprinkle (7 patents)An Duc NguyenJames Garrett (4 patents)An Duc NguyenChristian Manuel Garcia (4 patents)An Duc NguyenAllan O Devantier (3 patents)An Duc NguyenChris N Hagen (3 patents)An Duc NguyenLarry P Brown (2 patents)An Duc NguyenFred Tubis (2 patents)An Duc NguyenTimothy Prenta (2 patents)An Duc NguyenMark Fisher (2 patents)An Duc NguyenTimothy Gladwin (1 patent)An Duc NguyenAaron Lee Butters (1 patent)An Duc NguyenArmando S Martinez (1 patent)An Duc NguyenShengbo Li (1 patent)An Duc NguyenAn Duc Nguyen (20 patents)Charles M SprinkleCharles M Sprinkle (16 patents)James GarrettJames Garrett (11 patents)Christian Manuel GarciaChristian Manuel Garcia (11 patents)Allan O DevantierAllan O Devantier (26 patents)Chris N HagenChris N Hagen (10 patents)Larry P BrownLarry P Brown (34 patents)Fred TubisFred Tubis (10 patents)Timothy PrentaTimothy Prenta (4 patents)Mark FisherMark Fisher (2 patents)Timothy GladwinTimothy Gladwin (12 patents)Aaron Lee ButtersAaron Lee Butters (5 patents)Armando S MartinezArmando S Martinez (5 patents)Shengbo LiShengbo Li (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Harman International Industries, Inc. (20 from 1,944 patents)


20 patents:

1. 11985459 - Mounting system for a loudspeaker

2. D1018501 - Loudspeaker

3. D989042 - Loudspeaker

4. 11564032 - Speaker system with asymmetrical coverage horn

5. D924846 - Loudspeaker

6. 10433041 - Outdoor loudspeaker with integral lighting

7. 10341763 - Passive radiator assembly

8. 10136201 - Speaker system charging station

9. D800696 - Loudspeaker

10. 9544689 - Wireless speaker system

11. 8477966 - In-wall sub-woofer with high-volume displacement

12. 7840018 - In-wall sub-woofer system with high-volume displacement

13. 7450729 - Low-profile transducer

14. 7412065 - Acoustic transducer with folded diaphragm

15. 7333620 - Acoustic transducer with mechanical balancing

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as of
1/23/2026
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