Average Co-Inventor Count = 2.67
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. Nichias Co., Ltd. (2 from 7 patents)
2 patents:
1. 6767391 - Air filter
2. 6727201 - Slurry for carrying zeolite and method for manufacturing zeolite-carrying adsorption element