Average Co-Inventor Count = 2.00
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. Nec Corporation (1 from 35,756 patents)
2. Itochu Corporation (1 from 21 patents)
3. C.media Co., Ltd. (1 from 1 patent)
2 patents:
1. 7051933 - Noncontact IC medium and system using the same
2. 5654852 - Stopper mechanism in a floppy disc apparatus