Average Co-Inventor Count = 1.60
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. Sanyo Electric Co., Ltd. (4 from 8,776 patents)
4 patents:
1. 8696138 - Filter unit and video projector
2. 8641202 - Projection display device
3. 8149594 - Electromagnetic shield structure of electronics housing
4. 8124889 - Electronic device with opening/closing door