Average Co-Inventor Count = 1.00
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. Hakugen Co., Ltd. (1 from 2 patents)
2. Hakugen, Ltd. (1 from 1 patent)
2 patents:
1. 4590111 - Fragrance releasing sheet article and method of making same
2. 4476171 - Fragrance releasing articles