Average Co-Inventor Count = 1.01
ph-index = 19
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. Choon Nang Electrical Appliance Mfy., Ltd. (37 from 53 patents)
2. Choon Nang Electrical Appliance Mfty., Ltd. (2 from 11 patents)
3. Choon Nang Electrical Appliance (2 from 2 patents)
4. Chang Noon Electric Appliance Mfy., Ltd. (1 from 1 patent)
5. Choon Nang Electrical Appliances Mfy., Ltd. (1 from 1 patent)
43 patents:
1. D570172 - Rotary driving tool/trimmer
2. D568132 - Sharpener for drill bits
3. D528886 - Electric sander
4. D526869 - Electric sander
5. D526079 - Lighting device for use with power tool
6. D522338 - Router attachment
7. D521336 - Circular saw
8. D511954 - Grinder attachment
9. D510004 - Grout removal attachment
10. D507525 - Battery charger
11. D507234 - Battery charger
12. D507371 - Flashlight
13. D478487 - Electric trimmer
14. D478489 - Electric trimmer
15. D478259 - Electric trimmer