Average Co-Inventor Count = 3.33
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 Holdings Company, Ltd. (3 from 450 patents)
2. Citizen Watch Company, Ltd. (1 from 2,002 patents)
3. Keio University (1 from 339 patents)
4 patents:
1. 9725307 - Method for producing microchannel, and microchannel
2. 9304358 - Liquid crystal device and method of manufacturing liquid crystal device
3. 9285601 - Optical device, projector, manufacturing method, and manufacturing support apparatus
4. 8254732 - Phase modulator and optical modulation device