Average Co-Inventor Count = 1.85
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. Spectrum Cvd, Inc. (3 from 10 patents)
2. Other (1 from 832,718 patents)
4 patents:
1. 4640224 - CVD heat source
2. 4632057 - CVD plasma reactor
3. 4632056 - CVD temperature control
4. 4607591 - CVD heater control circuit