Average Co-Inventor Count = 2.67
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)
4 patents:
1. 7164363 - Article identification device
2. 6518884 - Electric resonance element, detection apparatus and moving vehicle control system
3. 6097312 - Method and apparatus for detecting magnetostrictive resonator and
4. 5834917 - Robot controller