Average Co-Inventor Count = 2.40
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. Takara Belmont Kabushiki Kaisha (2 from 5 patents)
2 patents:
1. 5268988 - Electric hair treatment apparatus having heated air delivery arm
2. 4910382 - Infra-red hair dryer