Average Co-Inventor Count = 4.50
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. Aion Co., Ltd. (2 from 10 patents)
2. Kanebo, Limited (1 from 305 patents)
3 patents:
1. 6684447 - Cleaning sponge roller
2. 6598255 - Cleaning rotary brush
3. 6502273 - Cleaning sponge roller