Average Co-Inventor Count = 1.00
ph-index = 6
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. John Gibson Enterprises, Inc. (10 from 15 patents)
2. Kwong Chak Fat Manufactory Ltd. (7 from 7 patents)
3. Kwong Chak Fat Lighter Co. Ltd. (4 from 4 patents)
21 patents:
1. D573300 - Lighter
2. D571502 - Lighter
3. D561387 - Flame lighter
4. D560010 - Butane lantern
5. D553291 - Lighter
6. D544145 - Lighter
7. D513340 - Lighter
8. D512178 - Lighter
9. D511860 - Lighter
10. D509620 - Lighter
11. D507150 - Lighter
12. D504976 - Lighter
13. D501273 - Lighter
14. D498874 - Lighter
15. D498558 - Lighter