Average Co-Inventor Count = 4.44
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. Ihi Aerospace Co., Ltd. (2 from 50 patents)
2 patents:
1. 10029807 - Spacecraft and orbital plane change method therefor
2. 7061964 - Electrostatic levitation furnance