Average Co-Inventor Count = 1.29
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. Seiko Corporation (2 from 53 patents)
2. Seiko Corporation of America (2 from 3 patents)
3. Dart World Inc. (1 from 1 patent)
3 patents:
1. D332399 - Watch box
2. D332400 - Watch box
3. 5165537 - Display and carrying case for darts