Average Co-Inventor Count = 3.57
ph-index = 3
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. Matsushita Electric Industrial Co., Ltd. (4 from 27,375 patents)
2. Panasonic Corporation (1 from 16,453 patents)
5 patents:
1. 7948356 - Portable terminal
2. 7254318 - Recording apparatus, recording program, and recording method
3. 7031240 - Disc drive device
4. 6873584 - Disk reproducing apparatus and disk reproducing method
5. 6747927 - Disc drive device