Average Co-Inventor Count = 2.67
ph-index = 2
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. Ikegami Tsushinki Co., Ltd. (4 from 82 patents)
2. Kabushiki Kaisha Toshiba (1 from 52,780 patents)
4 patents:
1. D622300 - Television camera
2. D617360 - Operating dial for an image adjusting apparatus
3. 6995798 - Viewfinder control unit and television camera
4. 5867345 - Ejecting device for image pick up apparatus