Average Co-Inventor Count = 1.41
ph-index = 3
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. (4 from 5,225 patents)
4 patents:
1. D377044 - Projection unit for an electronic calculator
2. D364890 - Electronic calculator
3. D349918 - Electronic calculator
4. D345753 - Electronic keyboard musical instrument