Average Co-Inventor Count = 1.33
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 (4 from 832,812 patents)
4 patents:
1. 5668954 - Instructional CD player
2. 5521812 - Emergency information apparatus and method
3. 5375385 - Contoured marble and method of fabrication
4. 5325652 - Contoured marble and method of fabrication