Average Co-Inventor Count = 2.40
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. Psk Inc. (2 from 29 patents)
2. Psk Holdings Inc. (1 from 2 patents)
2 patents:
1. 10964565 - Substrate processing apparatus and method
2. 9514919 - Baffle and substrate treating apparatuses including the same