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. Casio Computer Co., Ltd. (2 from 5,220 patents)
2 patents:
1. 6137547 - Projection type displaying apparatus having screen
2. 5742358 - Projection type displaying apparatus having screen