Average Co-Inventor Count = 2.16
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 Construction Machinery Co., Ltd. (4 from 1,498 patents)
2. Komori Corporation (3 from 357 patents)
3. Fronteo, Inc. (1 from 15 patents)
8 patents:
1. 12091841 - Work machine management system and work machine management device
2. 11732669 - Injector diagnosis device and injector diagnosis method
3. 11655774 - Injector failure diagnostic device and injector failure diagnostic method
4. 11640425 - Inspection support system for construction machine, management server, and inspection report creation system
5. 11059310 - Printing apparatus
6. 11042520 - Computer system
7. 9694607 - Sheet-like member holding device of printing press
8. 8833762 - Multi-feed detection device