Average Co-Inventor Count = 1.33
ph-index = 2
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. Harman International Industries, Inc. (4 from 1,942 patents)
2. Harman International (China) Holdings Co., Ltd. (2 from 9 patents)
4 patents:
1. 11070909 - Speaker apparatus, method for processing input signals thereof, and audio system
2. 10341763 - Passive radiator assembly
3. 9674594 - Speaker
4. 9602899 - Speaker and its production method