Average Co-Inventor Count = 3.62
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. Sony Corporation (6 from 58,129 patents)
6 patents:
1. 9827494 - Electronic device and external structure configured to attach to or detach from the electronic device
2. 8120475 - Security-feature-equipped on-vehicle device and security-feature control method of on-vehicle device
3. 7804311 - Electronic machine, connected machine identifying method for electronic machine and control system
4. 5903228 - Map information display apparatus and traveling route display apparatus
5. 5469152 - Remote control device that transmits signals indicating termination of
6. 5446879 - Disc changing apparatus with error logging