Average Co-Inventor Count = 3.00
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. Daicel Chemical Industries, Ltd. (2 from 1,165 patents)
2. Daicell Chemical Industry Co., Ltd. (1 from 1 patent)
3 patents:
1. 5466209 - Cigarette filter-rod manufacturing device
2. 4900765 - Deodorant and mildewproof resin sheet
3. 4808466 - Deodorant sheet