Average Co-Inventor Count = 1.07
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. (12 from 696 patents)
2. Seiko Clock Inc. (3 from 29 patents)
15 patents:
1. D412669 - Clock
2. D412286 - Clock
3. D386093 - Clock
4. D378497 - Clock
5. D354011 - Clock
6. D349060 - Clock
7. D347185 - Clock
8. D346972 - Clock
9. D346968 - Clock
10. D344025 - Clock
11. D344027 - Clock
12. D337529 - Travel alarm clock
13. D335087 - Clock
14. D322577 - Clock
15. D321661 - Clock