Average Co-Inventor Count = 2.77
ph-index = 4
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. Otis Elevator Company (5 from 2,623 patents)
2. Sonocare, Inc. (1 from 1 patent)
6 patents:
1. D297663 - Ultrasonic transducer with holding assembly for use in reducing ocular
2. D268668 - Control panel for elevator systems
3. D268026 - Control panel for elevator systems
4. D268025 - Control panel for elevator systems
5. D267870 - Control panel for elevator systems
6. 4365691 - Integrated elevator cab fixture