Average Co-Inventor Count = 6.00
ph-index = 3
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. Kabushiki Kaisha Kyoritsu (3 from 3 patents)
3 patents:
1. 4991496 - Air-conditioning duct apparatus with twistable duct vanes
2. 4887522 - Air-conditioning apparatus
3. 4876952 - Air-conditioning apparatus