Average Co-Inventor Count = 2.67
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. Vatech Ewoo Holdings Co., Ltd. (2 from 88 patents)
2. Vatech Co., Ltd. (2 from 74 patents)
2 patents:
1. 7995704 - Panoramic x-ray photographing apparatus and method for photographing using the same
2. 7961841 - X-ray photographing apparatus