Average Co-Inventor Count = 2.25
ph-index = 7
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. Sony Corporation (8 from 58,131 patents)
2. Sony Corpotation (1 from 62 patents)
9 patents:
1. 5990936 - Stereoscopic imaging systems using memory affect liquid crystal displays
2. 5790184 - Image display system
3. 5371556 - Spectacle type retina direct display apparatus
4. 5357277 - Stereoscopic imaging using memory effect liquid crystal displays
5. 5343257 - Screen cover opening/closing device for television receiver
6. 5106179 - Eyesight auxiliary liquid crystal device
7. 5034832 - Adaptor for a small-sized tape cassette
8. 5016834 - Adaptor for a small-sized tape cassette
9. 4160281 - Cassette changer