Average Co-Inventor Count = 2.50
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. Matsushita Electric Works, Ltd. (3 from 1,623 patents)
3 patents:
1. 4428792 - Method of forming a structural column
2. 4398841 - Column-to-beam connector
3. 4387546 - Structural column and method of manufacture