Average Co-Inventor Count = 5.05
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. Hitachi, Ltd. (2 from 42,485 patents)
2. Hitachi Displays, Ltd. (2 from 1,207 patents)
4 patents:
1. 7751007 - Display device and manufacturing method thereof
2. 7262823 - Display device and manufacturing method thereof
3. 5480048 - Multilayer wiring board fabricating method
4. 5468315 - Method of and apparatus for producing multilayer ceramic board