Average Co-Inventor Count = 2.86
ph-index = 3
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. (9 from 42,508 patents)
9 patents:
1. 9158866 - Layout-design support system and layout-design support program
2. 8694288 - CAD pipe arrangement and pipe relationship database validation
3. 8533140 - Method and system for design check knowledge construction
4. 8200523 - Procedure generation apparatus and method
5. 7808498 - CAD data evaluation method and evaluation apparatus
6. 7248256 - CAD data evaluation method and evaluation apparatus
7. 7053892 - CAD data evaluation method and evaluation apparatus
8. 6912445 - CAD consulting method, method for detecting inappropriate shape change, data storage medium, and a computer program product
9. 6163731 - Apparatus and method for creating parts removal order and recording