Average Co-Inventor Count = 3.75
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. Casio Computer Co., Ltd. (2 from 5,220 patents)
2 patents:
1. 5371550 - Television receiver with auto-tuning system
2. 4751741 - Pen-type character recognition apparatus