Average Co-Inventor Count = 2.62
ph-index = 4
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 Intellectual Property Management Co., Ltd. (2 from 13,319 patents)
3. Panasonic Corporation (1 from 16,453 patents)
7 patents:
1. 12488674 - Information processing system and information processing method
2. 11527139 - Information processing system and information processing method
3. 7739519 - Secure device
4. 7246247 - Secure device
5. 6834799 - IC card with capability of having plurality of card managers installed
6. 6336123 - Hierarchical based hyper-text document preparing and management apparatus
7. 6014678 - Apparatus for preparing a hyper-text document of pieces of information