Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5745362 | Digital PID control apparatus | Yoshiyuki Yamamoto | 1998-04-28 |
| 5544039 | Process control system | — | 1996-08-06 |
| 5535117 | Method and apparatus for controlling a process having a control loop using feedback control | — | 1996-07-09 |
| 5485367 | Process control apparatus | — | 1996-01-16 |
| 5245529 | Two degrees of freedom type control system | — | 1993-09-14 |
| 5200681 | Process control system | — | 1993-04-06 |
| 5195028 | Two degree of freedom controller | — | 1993-03-16 |
| 5119288 | Controlling apparatus utilized in process instrumentation system | — | 1992-06-02 |
| 5105138 | Two degree of freedom controller | — | 1992-04-14 |
| 5059880 | Digital control system | — | 1991-10-22 |
| 5029066 | Process control system | — | 1991-07-02 |
| 4951191 | Process control having improved combination of feedforward feedback control | Kojiro Ito | 1990-08-21 |
| 4755924 | Process controller having an adjustment system with two degrees of freedom | — | 1988-07-05 |
| 4714988 | Feedforward feedback control having predictive disturbance compensation | Kojiro Ito | 1987-12-22 |
| 4698745 | Process control apparatus for optimal adaptation to a disturbance | Kojiro Ito | 1987-10-06 |
| 4621927 | Mixture control apparatus and mixture control method | — | 1986-11-11 |
| 4563735 | Process controlling method and system involving separate determination of static and dynamic compensation components | Kojiro Ito | 1986-01-07 |
| 4516929 | Method for controlling oxygen density in combustion exhaust gas | Kenji Kojima | 1985-05-14 |