Average Co-Inventor Count = 5.25
ph-index = 12
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. (19 from 42,485 patents)
2. Denon, Ltd. (2 from 20 patents)
3. Hitachi Construction Machinery Co., Ltd. (1 from 1,498 patents)
22 patents:
1. 7433506 - Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor
2. D549721 - Graphic user interface for display for construction machine
3. 7194121 - Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor
4. 6968079 - Investigation device and investigation method
5. 6961605 - Method for processing biomagnetic field data, magnetic field contour mapping, forming their waveforms and a biomagnetic instrument using the same
6. 6919564 - Inspection method, apparatus and system for circuit pattern
7. 6903821 - Inspection method, apparatus and system for circuit pattern
8. 6868308 - Operation guidance method of clinical system
9. 6759655 - Inspection method, apparatus and system for circuit pattern
10. 6711281 - Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, and method of displaying biomagnetic field data, and apparatus therefor
11. 6650600 - Digital audio disc recorder
12. 6609019 - Physiological magnetic field measuring instrument for measuring magnetic field at plural positions of living body
13. 6600700 - Digital audio disc recorder
14. 6504609 - Inspection method, apparatus and system for circuit pattern
15. 6493082 - Inspection method, apparatus and system for circuit pattern