Average Co-Inventor Count = 3.70
ph-index = 6
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 42,508 patents)
2. Smc Corporation (1 from 1,467 patents)
3. Hitachi Microcomputer System, Ltd. (1 from 64 patents)
10 patents:
1. 11376734 - Trajectory control device
2. 6631349 - Speech recognition method and system
3. 6587120 - Liquid crystal display system capable of reducing and enlarging resolution of input display data
4. 6411929 - Speech recognition method and system
5. 6310602 - Liquid crystal display system capable of reducing and enlarging resolution of input display data
6. 6148105 - Character recognizing and translating system and voice recognizing and
7. 6118429 - Liquid crystal display system capable of reducing and enlarging
8. 6112174 - Recognition dictionary system structure and changeover method of speech
9. 5917944 - Character recognizing and translating system and voice recognizing and
10. 5414448 - Character/pattern generator and information processing system