Average Co-Inventor Count = 3.00
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. Obara Corporation (2 from 48 patents)
2 patents:
1. 7105767 - Fixed type electrode tip removal device
2. 7105768 - Fixed type electrode tip take-out device