Average Co-Inventor Count = 2.67
ph-index = 1
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 (2 from 39,245 patents)
2 patents:
1. 9305171 - Encryption apparatus, encryption method, decryption apparatus, decryption method and system
2. 8645713 - Encrypting method, recording medium of encrypting program, decrypting method, and recording medium of decrypting program