Average Co-Inventor Count = 6.00
ph-index = 1
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. Hitachi, Ltd. (1 from 42,508 patents)
2. Nippon Tokushu Kent Co., Ltd. (1 from 1 patent)
1 patent:
1. 6849542 - Method for manufacturing a semiconductor device that includes planarizing with a grindstone that contains fixed abrasives