Average Co-Inventor Count = 1.00
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. Seikosha Co., Ltd. (3 from 696 patents)
3 patents:
1. D370853 - Travel alarm clock
2. D364094 - Clock
3. D348222 - Clock