Average Co-Inventor Count = 5.06
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. Mitsubishi Denki Kabushiki Kaisha (3 from 21,351 patents)
3 patents:
1. 5812215 - Projector display unit
2. 5537167 - Projection type display apparatus
3. 5506629 - Projecting-type display apparatus