Average Co-Inventor Count = 2.86
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. Teijin Seiki Co., Ltd. (1 from 220 patents)
2. Tstm Co., Ltd. (1 from 1 patent)
2 patents:
1. 7410115 - Revolving type yarn winding machine
2. 5645246 - Bobbin holder