Average Co-Inventor Count = 2.25
ph-index = 2
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. (3 from 13,247 patents)
3 patents:
1. 9990954 - Disc device
2. D756989 - Optical disk recorder
3. D724354 - Storage rack for optical disk recorder