Average Co-Inventor Count = 1.36
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. Panasonic Corporation (1 from 16,453 patents)
2. Hitachi Zosen Corporation (1 from 278 patents)
3. Property Management Co., Ltd. (1 from 2 patents)
3 patents:
1. 12149810 - Imaging device
2. 11148218 - Method for welding steel pipe in steel pipe structure and joint
3. 8149328 - Shoulder pad, pad unit, and video camera