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. Psk Inc. (1 from 29 patents)
2. Woosung Pharmaceutical Co., Ltd. (1 from 1 patent)
2 patents:
1. 11862434 - Substrate processing apparatus
2. 11040007 - Injection composition containing acetaminophen