Average Co-Inventor Count = 2.30
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. Hon Hai Precision Industry Co., Ltd. (5 from 19,772 patents)
2. Premier Image Technology (china) Ltd. (5 from 58 patents)
3. Tencent Technology (shenzhen) Company Limited (1 from 4,843 patents)
4. Shenzhen Sunhui Machinery Co., Ltd. (1 from 1 patent)
5. Tencent Technology Company Limited (0 patent)
7 patents:
1. 12291841 - Full-hydraulic automatic diaphragm wall cutting-grooving machine
2. 8922491 - Method and apparatus enabling keystroke acceleration
3. 8248711 - Zoom lens
4. 7916400 - Compact zoom lens
5. 7791820 - Retractable zoom lens
6. 7656513 - System for checking centration of lens surfaces of aspheric lens
7. 7586699 - Lens module with focusing function