Average Co-Inventor Count = 2.67
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. Fujitec Co., Ltd. (4 from 47 patents)
4 patents:
1. D827471 - Elevator control panel
2. D774937 - Elevator control panel with graphical user interface
3. D774938 - Elevator control panel with graphical user interface
4. D769145 - Elevator control panel