Average Co-Inventor Count = 5.92
ph-index = 4
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. 3com Corporation (1 from 1,438 patents)
2. Plantronics, Inc. (1 from 738 patents)
3. American Power Conversion Corporation (1 from 328 patents)
4. Perfect Curve Inc. (1 from 9 patents)
4 patents:
1. 6223910 - Device for storing and displaying caps
2. 6130944 - Multi-position telephone unit
3. D411981 - Electrical surge protector unit for desk top products
4. 5761298 - Communications headset with universally adaptable receiver and voice