Average Co-Inventor Count = 4.00
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. Nissan Motor Company Limited (1 from 13,415 patents)
2. Tachikawa Spring Co., Ltd. (1 from 111 patents)
1 patent:
1. 4408798 - Vehicle seat structure for two-door type vehicle