Average Co-Inventor Count = 1.23
ph-index = 4
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. Seikosha Co., Ltd. (8 from 696 patents)
8 patents:
1. D330335 - Clock
2. D324179 - Clock
3. D319397 - Clock
4. D319023 - Clock
5. D316046 - Clock
6. D316049 - Clock
7. D312790 - Clock
8. D312798 - Pendulum for a clock