Average Co-Inventor Count = 1.14
ph-index = 2
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. Seiko Epson Corporation (4 from 33,404 patents)
4 patents:
1. 11703811 - Electronic timepiece
2. 11119450 - Electronic timepiece
3. 9921548 - Electronic timepiece and movement
4. 9785124 - Electronic timepiece with internal antenna