Average Co-Inventor Count = 1.33
ph-index = 4
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. International Computers Limited (3 from 247 patents)
2. Fujitsu Services Limited (1 from 15 patents)
4 patents:
1. 6862576 - Secure locker system and method
2. 6549119 - Electronic identification system
3. 6438696 - Security monitoring arrangement for a computer system
4. 5751223 - Electronic identification system