Average Co-Inventor Count = 5.06
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. (3 from 27,375 patents)
3 patents:
1. 5872905 - Recording area management method, error recovery processing method, and
2. 5502575 - Imaging apparatus having a counterfeiting prevention function
3. 4679054 - Print head