Average Co-Inventor Count = 3.00
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. 6614457 - Focus control device that moves a focus in a GUI screen
2. 6469719 - Graphical user interface apparatus with improved layout of menu items
3. 5668978 - Apparatus and method for synthesizing program specification from