Average Co-Inventor Count = 4.97
ph-index = 7
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. (6 from 42,496 patents)
2. Hiatchi, Ltd. (1 from 17 patents)
7 patents:
1. D503695 - Mobile telephone
2. D484478 - Mobile telephone
3. D477294 - Mobile telephone
4. D449307 - Combined touch pad and buttons for a portable computer
5. D444464 - Portable computer
6. D435549 - Portable computer
7. D431232 - Liquid crystal display rear projection television receiver