Average Co-Inventor Count = 5.00
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. Tokyo Ohka Kogyo Co., Ltd. (3 from 1,233 patents)
3 patents:
1. 6787412 - Dielectric element and method for fabricating the same
2. 6597027 - Dielectric element and method for fabricating the same
3. 6120969 - Polyphenol compound, quinonediazide ester and positive photoresist