Hitachi Control Systems, Inc.
9Patents
0Active
9Granted
31Portfolio score
Filing activity: Feb 1, 1983 → Feb 21, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5208898A | Adaptive knowledge inference method and system | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4683549A | Sequence control method and apparatus | Physics | 43 | Expired |
| US5103479A | Encipher method and decipher method | Electricity | 32 | Expired |
| US4562552A | Method and apparatus for controlling pressure and flow in water distribution networks | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5003469A | Method and apparatus for processing data in a decentralized processing system | Physics | 21 | Expired |
| US4982429A | Encipher method and decipher method | Electricity | 20 | Expired |
| US4569012A | Method and system for controlling fluid transportation in a pipe network | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5299287A | Information processing system | Physics | 15 | Expired |
| US4969190A | Encrypting system of data | Electricity | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.