Average Co-Inventor Count = 1.00
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. Heath Company (2 from 42 patents)
2. Swiss Controls Inc. (1 from 1 patent)
3 patents:
1. D274820 - Copy machine controller
2. D244962 - Tuner
3. D244616 - Power amplifier