Average Co-Inventor Count = 4.44
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. Mitsubishi Kasei Corporation (1 from 499 patents)
2. Ryo-nichi Co., Ltd. (1 from 4 patents)
2 patents:
1. 4997539 - Method and apparatus for producing a magnetic recording medium
2. 4410747 - Process for producing 1,2-dichloroethane