Average Co-Inventor Count = 5.20
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 Chemical Company, Ltd. (5 from 1,641 patents)
2. Hitachi, Ltd. (1 from 42,485 patents)
3. Hitachi Microcomputer Engineering, Ltd. (1 from 149 patents)
5 patents:
1. 5350811 - Epoxy resin and adhesive composition containing the same
2. 5258139 - Epoxy resin and adhesive composition containing the same
3. 5188767 - Electroconductive resin paste containing mixed epoxy resin and
4. 5183592 - Electroconductive adhesive comprising an epoxy novolak resin and
5. 4803543 - Semiconductor device and process for producing the same