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. National Service Industries, Inc. (4 from 55 patents)
4 patents:
1. 4636072 - Method and apparatus for improved photometric testing of high intensity
2. D272475 - Luminaire
3. D254693 - Light diffuser for luminaire as shown and described
4. D254215 - Luminaire