Average Co-Inventor Count = 1.00
ph-index = 29
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 Manufacturing Limited (205 from 359 patents)
2. Yuen; John Se Kit (4 from 4 patents)
3. Parly Tools Manufacturing Limited (1 from 4 patents)
4. John Manufacturing Lmtd. (1 from 1 patent)
211 patents:
1. D435124 - Night light
2. D434512 - Rechargeable emergency light
3. D433762 - Lantern
4. 6132071 - Combined incandescent/fluorescent lantern
5. D431661 - Multi function fan and fluorescent lantern
6. D431660 - Sensor night light
7. D428660 - Night light
8. D428174 - Auto kit lantern
9. D428172 - Multi function radio, fan and fluorescent lantern
10. D427345 - Tool kit lantern
11. D426661 - Multi function radio lantern
12. D426328 - Sensor night light
13. D426006 - Multi function fluorescent lantern
14. D425640 - Combined fluorescent lantern and radio
15. D425560 - Pencil sharpener with vacuum cleaner and digital clock