Average Co-Inventor Count = 4.90
ph-index = 3
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. Showa Denko K.k. (3 from 1,960 patents)
2. Japan Polyolefins Co., Ltd. (1 from 29 patents)
4 patents:
1. 6326443 - Process for preparing ethylene polymer and catalyst used therefor
2. 6140443 - Ethylenic polymers and process for the production thereof
3. 6040399 - Preparation method of ethylene base polymer
4. 6011127 - Process for the production of ethylenic polymers