Average Co-Inventor Count = 2.40
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. Janome Sewing Machine Company Limited (2 from 609 patents)
2 patents:
1. 9598805 - Presser foot for sewing machine
2. 9297102 - Presser device with fabric guide