Average Co-Inventor Count = 1.27
ph-index = 3
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.
Company Filing History:
1. Other (3 from 832,718 patents)
2. Harman International Industries, Inc. (3 from 1,930 patents)
3. Harman Becker Automotive Systems Gmbh (3 from 614 patents)
4. Bang and Olufsen A/s (2 from 188 patents)
5. Vifa-speak A/s (2 from 2 patents)
6. Sinar Baja Electric Ltd. (1 from 1 patent)
7. C.v. Sinar Baja Electric (1 from 1 patent)
8. Danesian Audio Aps (1 from 1 patent)
9. Danish Sound Technology A/s (1 from 1 patent)
10. Scan-speak A/s (1 from 1 patent)
17 patents:
1. 12028692 - Loudspeaker arrangement
2. 11679725 - Modular removable speaker system
3. 11418902 - Sound system with improved width of the perceived sound signal
4. 11146887 - Acoustical in-cabin noise cancellation system for far-end telecommunications
5. 11109146 - Loudspeaker with multi-operating modes and bass enhancement
6. 11052801 - Vehicle headrest with speakers and control for adaptive spatial performance
7. 10939191 - Loudspeaker and microphone device
8. 10448190 - Loudspeaker device or system with controlled sound fields
9. 9560452 - Cone tweeter membrane
10. 9351079 - Flat subwoofer
11. 9173034 - Ring shaped membrane for an electro-acoustical loudspeaker
12. 8479872 - Ring shaped membrane for an electro-acoustical loudspeaker
13. 8141677 - Ring shaped membrane for an electro-acoustical loudspeaker
14. 6980664 - Double-dome speaker
15. 6320972 - Loudspeaker