Hitachi Information & Control Solutions, Ltd.
18Patents
15Active
18Granted
49Portfolio score
Filing activity: Sep 16, 2002 → Dec 6, 2011 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7692168B2 | Device and method for outputting charged particle beam | Human Necessities | 159 | Active |
| USD602021S1 | Biometrics input unit | General | 11 | Expired |
| US7839113B2 | Apparatus and method for driving synchronous motor | Electricity | 10 | Active |
| US8231851B2 | Method for processing perfluorocarbon, and apparatus therefor | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7859210B2 | Semiconductor device for driving motor, three-phase motor and motor driving apparatus with the semiconductor device and fan motor | Electricity | 5 | Active |
| US8035330B2 | Apparatus and method for driving synchronous motor | Electricity | 5 | Active |
| US8421395B2 | Synchronous motor and control method of synchronous motor | Electricity | 5 | Active |
| USD569286S1 | Biometrics input unit | General | 4 | Expired |
| US8161362B2 | Task management control apparatus and method, having redundant processing comparison | Physics | 1 | Active |
| US9710731B2 | Foreign matter inspection device and foreign matter inspection method | Physics | 1 | Active |
| US8209594B2 | Sending device, receiving device, communication control device, communication system, and communication control method | Electricity | 0 | Active |
| US7873871B2 | Communication control system and communication control method | Physics | 0 | Active |
| US8255769B2 | Control apparatus and control method | Electricity | 0 | Active |
| US8095695B2 | Control apparatus for process input-output device | Physics | 0 | Active |
| US7555627B2 | Input-output control apparatus, input-output control method, process control apparatus and process control method | Emerging Cross-Sectional Technologies | 0 | Active |
| US8493927B2 | Control apparatus, control method and control program | Physics | 0 | Active |
| US8423681B2 | Control apparatus for process input-output device | Physics | 0 | Active |
| US8423661B2 | Packet communication device, packet communication system, packet communication module, data processor, and data transfer system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.