Average Co-Inventor Count = 1.78
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 Electric Co., Ltd. (2 from 4,048 patents)
2 patents:
1. 9640338 - Press operation apparatus
2. 6626595 - Automatic sheet-feeding device of printer