Average Co-Inventor Count = 3.36
ph-index = 1
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. Alps Alpine Co., Ltd. (3 from 561 patents)
3 patents:
1. 12072003 - Controller and operation system
2. 11364435 - Operation device
3. 10418204 - Switch device