Average Co-Inventor Count = 2.67
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. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)
2. Other (1 from 832,912 patents)
3. Canon Kabushiki Kaisha (90,809 patents)
4 patents:
1. 5438218 - Semiconductor device with Shottky junction
2. 4847688 - Moving body recognition circuit using luminance signal and moving body
3. 4805018 - Video signal processing apparatus for separating an image of a moving
4. 4713685 - Video monitoring apparatus