Average Co-Inventor Count = 4.21
ph-index = 13
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. (18 from 42,485 patents)
2. Kabushiki Kaisha Sega Enterprises (1 from 145 patents)
3. Hitachi Video Engineering, Incorporated (1 from 66 patents)
19 patents:
1. 7263216 - Pattern inspecting method and apparatus thereof, and pattern inspecting method on basis of electron beam images and apparatus thereof
2. 6831998 - Inspection system for circuit patterns and a method thereof
3. 6650409 - Semiconductor device producing method, system for carrying out the same and semiconductor work processing apparatus included in the same system
4. 6622054 - Method monitoring a quality of electronic circuits and its manufacturing condition and system for it
5. 6614923 - Pattern inspecting method and apparatus thereof, and pattern inspecting method on basis of electron beam images and apparatus thereof
6. 6546308 - Method and system for manufacturing semiconductor devices, and method and system for inspecting semiconductor devices
7. 6438438 - Method and system for manufacturing semiconductor devices, and method and system for inspecting semiconductor devices
8. 6376854 - Method of inspecting a pattern on a substrate
9. 6278418 - Three-dimensional imaging system, game device, method for same and recording medium
10. 6236057 - Method of inspecting pattern and apparatus thereof with a differential brightness image detection
11. 6087673 - Method of inspecting pattern and apparatus thereof
12. 6072899 - Method and device of inspecting three-dimensional shape defect
13. 5930382 - Wiring pattern inspecting method and system for carrying out the same
14. 5801965 - Method and system for manufacturing semiconductor devices, and method
15. 5754621 - X-ray inspection method and apparatus, prepreg inspecting method, and