Average Co-Inventor Count = 1.33
ph-index = 2
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. Nissanki Co., Ltd. (2 from 2 patents)
2. Showa Tansan Co., Ltd. (1 from 6 patents)
3. Nippon Sangyo Kikai Hanbai Co., Ltd. (1 from 1 patent)
3 patents:
1. 7070487 - Washing device
2. 6926594 - Shot blast machine
3. 5029419 - Method to process a steering wheel and a processing device of a steering