Average Co-Inventor Count = 2.29
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. Sony Group Corporation (2 from 3,416 patents)
2. Sony Corporation (1 from 58,129 patents)
3. Sony Mobile Communications Inc. (1 from 729 patents)
4. Sony Network Communications Europe B.v. (1 from 10 patents)
4 patents:
1. 11741757 - Entrance permit control
2. 11676432 - Electronic device, an access control device, and related methods
3. 11476682 - Server devices, machines, battery devices and methods for managing usage of one or more battery devices
4. 10136314 - BCC enabled key management system