Average Co-Inventor Count = 1.20
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. Kem Hongkong Limited (5 from 27 patents)
2. Katoh Electrical Machinery Company, Ltd. (1 from 87 patents)
6 patents:
1. 11953950 - Articulated hinge device and electronic device using the same
2. 10788785 - Document cover closer and office equipment having the same
3. 10781621 - Hinge device and office equipment using the same
4. 10754285 - Original cover closer and office equipment using the same
5. 8973218 - Original cover closer and office equipment having the same
6. 7724405 - Original cover closer and office equipment