Average Co-Inventor Count = 1.97
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. Other (1 from 832,912 patents)
2. Nec Corporation (1 from 35,756 patents)
3. Earth Chemical Co., Ltd. (1 from 29 patents)
4. Electronic Navigation Research Institute (1 from 7 patents)
5. Masami Hayashi (1 from 1 patent)
6. Hayashi; Keiko (1 from 1 patent)
4 patents:
1. 7091994 - Method, system, and computer program for displaying screen information
2. 6695227 - Aerosol spraying apparatus
3. 6573888 - Image control system controlling traffic of a mobile body, such as an aircraft
4. D273666 - Ornament for a finger nail