Average Co-Inventor Count = 6.15
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. Toshiba Kikai Kabushiki Kaisha (2 from 746 patents)
2. Kanto Special Steel Works, Ltd. (2 from 13 patents)
2 patents:
1. 5844805 - Automatic programming apparatus for numerically controlled roll grinder
2. 5771599 - Method of and instrument for measuring roll diameter in roll grinder