Average Co-Inventor Count = 3.43
ph-index = 1
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. (2 from 2,003 patents)
2 patents:
1. 5936600 - Liquid crystal display device
2. 5307225 - Azimuth regulating mechanism in floppy disc drive