Average Co-Inventor Count = 6.00
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. Tachi-s Co., Ltd. (1 from 576 patents)
2. Dai Nippon Insatsu Kabushiki Kaisha (1 from 412 patents)
2 patents:
1. 11072268 - Head-rest of a car seat
2. 5296340 - Decorative sheet and process for preparation thereof