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. The Pilot Ink Co., Ltd. (1 from 175 patents)
2. Kabushiki Kaisha Pilot Corporation (1 from 174 patents)
1 patent:
1. 9592702 - Friction body, writing instrument and writing instrument set