Average Co-Inventor Count = 2.57
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. Other (2 from 832,891 patents)
2. International Business Machines Corporation (1 from 164,221 patents)
3 patents:
1. 5355551 - Scent-releasing curtain rings
2. 5046624 - Surgical instrument stand
3. 4878209 - Macro performance test