Average Co-Inventor Count = 2.00
ph-index = 3
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. Piolax, Inc. (4 from 310 patents)
2. Hayashi Telempu Co., Ltd. (1 from 33 patents)
4 patents:
1. 12352097 - Stopper device
2. 10071618 - Tonneau cover device
3. 8876177 - Handle system
4. 6749142 - Apparatus for winding sheet-like element