Average Co-Inventor Count = 4.80
ph-index = 1
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. Ykk Corporation (2 from 1,384 patents)
2. Kabushiki Kaisha Riken (1 from 219 patents)
3. Ykk Ap Inc. (1 from 14 patents)
2 patents:
1. 8194967 - Article visual inspection apparatus
2. 7505146 - Method and device for detecting direction of member having outer periphery formed in vertically asymmetrical shape