Average Co-Inventor Count = 3.00
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. Hitachi Via Mechanics Ltd. (1 from 75 patents)
1 patent:
1. 7132622 - Laser machining apparatus and laser machining method