Average Co-Inventor Count = 4.80
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. Sony Corporation (1 from 58,130 patents)
2. Copal Company Limited (1 from 192 patents)
3. Kabushiki Kaisha Uchida Yoko (1 from 3 patents)
2 patents:
1. D627983 - Chair
2. 5478157 - Printing apparatus