Average Co-Inventor Count = 3.00
ph-index = 5
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. Laurel Bank Machines Company, Ltd. (5 from 138 patents)
2. Nec Corporation (1 from 35,670 patents)
6 patents:
1. 5996993 - Bill handling machine
2. 5927936 - Bill handling machine
3. 5897114 - Bill handling machine
4. 5836577 - Bill handling machine
5. 5813825 - Bill handling machine
6. 5789967 - Semiconductor device with boost voltage supply means