Average Co-Inventor Count = 2.00
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. Murata Kikai Kabushiki Kaisha (2 from 903 patents)
2 patents:
1. 5419110 - Piecing method and apparatus in a spinning machine
2. 5159806 - Apparatus for producing spun yarns