Average Co-Inventor Count = 3.00
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. Toray Monofilament Co., Ltd. (1 from 3 patents)
2. Sunstar Kabushiki (1 from 1 patent)
3. Naomi Yokosuka (0 patent)
4. Katsushi Ebisudani (0 patent)
5. Tatsuaki Iwai (0 patent)
1 patent:
1. 5633083 - Toothbrush