Average Co-Inventor Count = 4.00
ph-index = 2
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 (1 from 832,880 patents)
2. Sequal Technologies, Inc. (1 from 9 patents)
3. Teijin Limited (1,588 patents)
2 patents:
1. 6651658 - Portable oxygen concentration system and method of using the same
2. 6629525 - Portable oxygen concentration system and method of using the same