Average Co-Inventor Count = 5.00
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. Asahi Glass Company, Limited (2 from 2,560 patents)
2. Dohkai Chemical Industry Co., Ltd. (2 from 2 patents)
2 patents:
1. 6890643 - Floor polishing composition
2. 6077341 - Silica-metal oxide particulate composite and method for producing silica