Average Co-Inventor Count = 13.00
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. Fujitsu Corporation (3 from 39,228 patents)
3 patents:
1. 6242751 - Charged-particle-beam exposure device and charged-particle-beam exposure method
2. 5969365 - Charged-particle-beam exposure device and charged-particle-beam exposure
3. 5757015 - Charged-particle-beam exposure device and charged-particle-beam exposure