Average Co-Inventor Count = 2.86
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. Tokyo Ohka Kogyo Co., Ltd. (2 from 1,233 patents)
2 patents:
1. 7364831 - Positive resist composition and resist pattern formation method
2. 6869742 - Positive photoresist composition