Average Co-Inventor Count = 3.00
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. Citizen Watch Company, Ltd. (3 from 2,002 patents)
3 patents:
1. 7158166 - Optical printer head having liquid crystal shutter
2. D456895 - Meter for measuring body fat rate
3. 5634805 - Card receiving and ejecting device