Average Co-Inventor Count = 2.82
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. Hitachi, Ltd. (2 from 42,494 patents)
2. Hitachi High-tech Instruments Company, Ltd. (2 from 43 patents)
4 patents:
1. 12140934 - Distributed production planning and instruction apparatus and distributed production planning and instruction system
2. 11067971 - Production line configuration change system and production line configuration change method
3. 8340803 - Component placement apparatus, component placement setting calculation apparatus, program, and component placement setting calculation method
4. 7885723 - Setting device, component mounting system, program and calculating method