Average Co-Inventor Count = 4.00
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. Hitachi Transport System, Ltd. (3 from 13 patents)
2. Hitachi, Ltd. (2 from 42,496 patents)
3. Hitachi Industrial Products, Ltd. (2 from 28 patents)
4. Hitachi High-tech Corporation (1 from 1,125 patents)
8 patents:
1. 11440733 - Picking assistance system and assistance method
2. 11169166 - Automatic analyzer
3. 11164274 - Article conveyance system and article conveyance method
4. 11155412 - Warehouse management system and warehouse management method
5. 11148883 - Article carrier system, order management device, and control method for article carrier system
6. 11027920 - Rack management system and rack management method
7. 10222791 - Operation assistance apparatus at time of accident in plant
8. 7991616 - Speech synthesizer