Average Co-Inventor Count = 1.28
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. Citizen Watch Company, Ltd. (4 from 2,002 patents)
4 patents:
1. 5122879 - Television synchronous receiver with phase shifter for reducing
2. 4758896 - 3-Dimensional integrated circuit for liquid crystal display TV receiver
3. 4694347 - Television receiver having a liquid crystal display device
4. 4663670 - Television receiver having a liquid crystal display device