Average Co-Inventor Count = 1.33
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. Silver Seiko Ltd. (2 from 54 patents)
2 patents:
1. 4413487 - Hand-operated knitting machine, method of casting on and knit article
2. 4301839 - Hand weaving apparatus