Average Co-Inventor Count = 1.11
ph-index = 5
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. (19 from 696 patents)
2. Seiko Clock Inc. (2 from 29 patents)
21 patents:
1. D382490 - Clock
2. D378989 - Clock
3. D360584 - Clock with card holder
4. D346969 - Clock
5. D346968 - Clock
6. D335632 - Clock
7. D330335 - Clock
8. D322576 - Clock
9. D322575 - Clock
10. D322408 - Clock
11. D322225 - Clock
12. D319398 - Clock
13. D316822 - Clock
14. D316819 - Clock
15. D316373 - Clock