Average Co-Inventor Count = 1.76
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. Moriyama Sangyo Kabushiki Kaisha (3 from 66 patents)
2. Tokyo Shibaura Denki Kabushiki Kaisha (1 from 2,916 patents)
3 patents:
1. D283253 - Fluorescent lamp assembly
2. 4350929 - Fluorescent lighting device
3. 4225905 - Fluorescent light fixture