Average Co-Inventor Count = 4.00
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. Sanwa Shutter Corporation (3 from 23 patents)
3 patents:
1. 5277009 - Exterior wall units comprising siding members and tiles
2. 5115601 - Movable sky light
3. 4837877 - Elevation bed