Average Co-Inventor Count = 1.36
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. Asia Optical Co., Ltd. (5 from 486 patents)
2. Sintai Optical (shenzhen) Co., Ltd. (4 from 219 patents)
5 patents:
1. D1092596 - Photographing device
2. D924958 - Camera
3. D912643 - Headphone
4. D876634 - Blood pressure measuring apparatus
5. D872160 - Camcorder