Average Co-Inventor Count = 5.37
ph-index = 7
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. (8 from 42,508 patents)
2. Hitachi Information Control Systems, Inc. (2 from 9 patents)
3. Hitachi Engineering Co., Ltd. (1 from 162 patents)
8 patents:
1. 5581759 - Apparatus and method for controlling a system process
2. 5355482 - Apparatus and method for controlling a system process
3. 5274717 - Parallel image processor for performing local neighboring image
4. 4820909 - Transacting device
5. 4766431 - Peripheral apparatus for image memories
6. 4718091 - Multifunctional image processor
7. 4665556 - Image signal processor
8. 4530050 - Central processing unit for executing instructions of variable length