Average Co-Inventor Count = 2.40
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. (2 from 27,375 patents)
2. Panasonic Corporation (1 from 16,453 patents)
3 patents:
1. 7627876 - Optical disk apparatus having a plurality of elastic bodies
2. 7137128 - Portable information processing apparatus including a disk drive device
3. 6168330 - Electronic equipment comprising thin keyboard switch