Average Co-Inventor Count = 2.69
ph-index = 11
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. Kabushiki Kaisha Toshiba (13 from 52,789 patents)
13 patents:
1. 5729717 - IC card and issuing apparatus allowing multiple applications
2. 5148543 - IC card with a stored data change inhibition function
3. 5124920 - Driver restriction apparatus for restricting a vehicle driver
4. 5017766 - Portable electronic apparatus capable of confirming validity of
5. 4879645 - Data processing device with high security of stored programs
6. 4822990 - Admission control system having a transponder actuated by an inquiry
7. 4771460 - Data processing terminal device which stores a modified decrypted data
8. 4757543 - Encrypting and decrypting device which stores an algorithm in a memory
9. 4748557 - Data processing terminal device for storing encrypted journal data and
10. 4739479 - Apparatus for inputting classification information of delivery matter
11. 4641753 - Mail sorting apparatus
12. 4632252 - Mail sorting system with coding devices
13. 4613805 - Conveyor system