Average Co-Inventor Count = 3.90
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. Panasonic Intellectual Property Management Co., Ltd. (5 from 13,247 patents)
5 patents:
1. 12182476 - Voice notification system, voice notification method, and recording medium
2. 12141043 - Utterance test method for utterance device, utterance test server, utterance test system, and program
3. 12093507 - Presentation system, information terminal, and presentation method
4. 11914750 - Information management device and information management method
5. 10863228 - Controller