Average Co-Inventor Count = 3.25
ph-index = 9
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. (10 from 42,517 patents)
2. Hitachi Ulsi Engineering Corp. (1 from 87 patents)
10 patents:
1. 6854646 - Transaction management system and method
2. 6606741 - Method for visual programming with aid of animation
3. 6334211 - Method for visual programming with aid of animation
4. 6072949 - Method and apparatus of supporting production of application program
5. 6005576 - Method for visual programming with aid of animation
6. 5774122 - Method for visual programming with aid of animation
7. 5664129 - Visual programming method
8. 5566294 - Method for visual programming with aid of animation
9. 5566336 - Operation macro generated method that changes execution control
10. 5533141 - Portable pen pointing device and a processing system with pen pointing