Average Co-Inventor Count = 6.41
ph-index = 8
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. (9 from 42,517 patents)
9 patents:
1. 6188388 - Information presentation apparatus and information display apparatus
2. 5835078 - Information presentation apparatus and information display apparatus
3. 5777896 - Plant operating and monitoring apparatus
4. 5748495 - Plant operating and monitoring apparatus
5. 5712658 - Information presentation apparatus and information display apparatus
6. 5701394 - Information processing apparatus having a neural network and an expert
7. 5677993 - Information processing apparatus using pointing input and speech input
8. 5581242 - Automatic alarm display processing system in plant
9. 4587089 - Fuel assembly for boiling water reactor