Average Co-Inventor Count = 1.15
ph-index = 4
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. Japana Co., Ltd. (5 from 18 patents)
5 patents:
1. 10477924 - Winding device
2. 10258109 - Structure for attaching shoelace winding apparatus
3. 9717305 - Shoelace winding reel
4. 9635906 - Shoelace winding device
5. D558849 - Golf putting rail