Average Co-Inventor Count = 6.89
ph-index = 6
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. (7 from 42,485 patents)
7 patents:
1. 5767848 - Development support system
2. 5436843 - Systems and methods for recycling resources and circulating products
3. 5357439 - Custom-made manufacturing system and custom-made manufacturing method
4. 5307260 - Order entry apparatus for automatic estimation and its method
5. 5144683 - Character recognition equipment
6. 5018219 - Object recognize apparatus
7. 4730258 - Method of and apparatus for controlling automated devices