Average Co-Inventor Count = 1.67
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. Schlumberger Industries (3 from 195 patents)
2. Flonic (2 from 9 patents)
3. Gemalto Sa (1 from 415 patents)
4. Schlumberger Malco, Inc. (4 patents)
6 patents:
1. 8744936 - Billing method and device in a cellular packet radiocommunication network
2. 5103079 - System for controlling the use of portable data media
3. 5086457 - Prepayment data transmission system
4. 4908499 - Revalidatable service supplying system
5. 4876540 - System for controlling metered parking
6. 4675516 - Apparatus for reading electronic memory cards