Average Co-Inventor Count = 16.00
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. Kajima Corporation (4 from 150 patents)
2. Kabushiki Kaisha F R C (4 from 4 patents)
4 patents:
1. 5798011 - Method of making window frame for concrete wall panel
2. 5591286 - Method of making window frame for concrete wall panel
3. 5575870 - Method of making window frame for concrete wall panel
4. 5356687 - Window frame for concrete wall panel