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. Showa Tansan Co., Ltd. (1 from 6 patents)
2. Nippon Sangyo Kikai Hanbai Co., Ltd. (1 from 1 patent)
1 patent:
1. 5029419 - Method to process a steering wheel and a processing device of a steering