Average Co-Inventor Count = 4.67
ph-index = 3
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. Oki Electric Industry Co., Ltd. (3 from 4,979 patents)
2. Toshiba Corporation (1 from 193 patents)
3. Ship Research Institute (1 from 1 patent)
3 patents:
1. 6085145 - Aircraft control system
2. 6064939 - Individual guidance system for aircraft in an approach control area
3. 6020831 - Flight control system user interface apparatus and control data display