Average Co-Inventor Count = 3.43
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. Nichias Corporation (2 from 254 patents)
2. Nichias Co., Ltd. (2 from 7 patents)
4 patents:
1. 6767391 - Air filter
2. 6720069 - Sound absorbing structure
3. 6703103 - Biologically soluble honeycomb structure
4. 6344073 - Dehumidifying material, dehumidifying element and manufacturing method therefor