Average Co-Inventor Count = 8.21
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. Hitachi Construction Machinery Co., Ltd. (2 from 1,498 patents)
2. Green Arm Co., Ltd. (1 from 3 patents)
2 patents:
1. 7448825 - Method for continuous on-site recycling of an asphalt mixture layer of a pavement and a motor-driven vehicle system therefor
2. 5335547 - Ultrasonic flaw detector