Average Co-Inventor Count = 1.40
ph-index = 8
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. Other (5 from 832,812 patents)
2. Hansa Medical Products, Inc. (5 from 27 patents)
11 patents:
1. 10175501 - Wearable item having a bi-stable mechanism
2. 7025784 - Method and apparatus for a tracheal valve
3. 6193751 - Tracheostoma valve with spring-loaded piston
4. 4911716 - Surgical implant for a voice prosthesis
5. 4614516 - Voice prosthesis device
6. 4597604 - Support structures for chairs and the like having pivoting members
7. 4586931 - Auto actuatable switch, speech simulator and method for tracheotomized
8. 4585270 - Support structure for a piece of furniture
9. D281473 - Chair
10. 4435853 - Voice prosthesis device and placement tool therefor
11. 4421356 - Support structure for a piece of furniture