Average Co-Inventor Count = 3.75
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. Sharp Kabushiki Kaisha Corporation (4 from 25,537 patents)
2. Sharp Corporation (1 from 847 patents)
5 patents:
1. 5742563 - Electronic device with calendar function including determining the first
2. 5530684 - Electronic device with calendar function
3. 5448532 - Electronic world clock device for indicating times for various spots in
4. 5376945 - Portable terminal device
5. 4901262 - Electronic calculator providing flexible constant utilization