Average Co-Inventor Count = 7.00
ph-index = 1
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. Kawasaki Jukogyo Kabushiki Kaisha (1 from 3,333 patents)
2. Kajima Corporation (1 from 150 patents)
1 patent:
1. 5311709 - Variable damping device for seismic response controlled structure