Average Co-Inventor Count = 3.53
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. (3 from 42,508 patents)
2. Hitachi Transport System, Ltd. (2 from 13 patents)
5 patents:
1. 11379787 - Evaluation device, evaluation method, and evaluation program
2. 11367031 - Delivery plan creating device and delivery plan creating method
3. 11282156 - Transportation planning apparatus, transportation planning system, and transportation planning method
4. 11138549 - Delivery plan making system and delivery plan making method
5. 7660730 - Method of creating production plan of demand variation input type and method of creating production plan minimizing risk of demand variations