Average Co-Inventor Count = 2.93
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. Fujitsu Corporation (4 from 39,244 patents)
2. Mitsubishi Heavy Industries Limited (1 from 4,631 patents)
5 patents:
1. 11492919 - Vane segment and steam turbine comprising same
2. 10235255 - Information processing system and control apparatus
3. 8200755 - Presence administration method and device
4. 7168040 - Document processing apparatus and method for analysis and formation of tagged hypertext documents
5. 6553374 - Method for controlling file processing, and data processing apparatus and storage medium therefor