Average Co-Inventor Count = 2.22
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. J. A. Masterson & Co. (3 from 3 patents)
2. Eastman-kodak Company (2 from 21,594 patents)
5 patents:
1. 4328884 - Clutch employing articulated clutch shoes and flyweights
2. 4320822 - Clutch-brake system for rotary mower
3. 4247626 - Fluid receiving trap
4. 4226313 - Clutch-brake system for rotary mower
5. 4042395 - Integral film unit with intermediate sheet forming a fluid reservoir