Average Co-Inventor Count = 2.77
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. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)
3 patents:
1. 7224887 - Recording and reproducing apparatus, MPEG image stream recording and reproducing
2. 6934464 - VIDEO/AUDIO DATA RECORDING APPARATUS, VIDEO/AUDIO DATA REPRODUCING APPARATUS, VIDEO/AUDIO DATA RECORDING/REPRODUCING APPARATUS, VIDEO/AUDIO DATA RECORDING METHOD, VIDEO/AUDIO DATA REPRODUCING METHOD, AND PROGRAM RECORDING PROGRAM RECORDING MEDIUM
3. 4875202 - Disk-type storage medium recording/reproducing apparatus