Average Co-Inventor Count = 2.25
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. Daiken Trade & Industry Co., Ltd. (3 from 9 patents)
3 patents:
1. 4888927 - Floating floor
2. 4860506 - Floor panel for floating floor
3. 4818602 - Hygroscopic composite material