Average Co-Inventor Count = 9.00
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. Other (1 from 832,843 patents)
2. Kabushiki Kaisha Toshiba (1 from 52,735 patents)
3. Ebara Corporation (1 from 2,510 patents)
2 patents:
1. 7101259 - Polishing method and apparatus
2. 6667238 - Polishing method and apparatus