Tokimec Inc.
38Patents
1Active
38Granted
38Portfolio score
Filing activity: Nov 14, 1990 → Feb 28, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5515287A | Navigation display apparatus for collison avoidance utilizing polygonal safety regions and predicted danger areas | Physics | 220 | Expired |
| US5230364A | Pressure relief valve | Emerging Cross-Sectional Technologies | 94 | Expired |
| US5474012A | Automatic control for trim tabs | Performing Operations; Transporting | 88 | Expired |
| US5280728A | Ultrasonic flow velocity measurement method and apparatus thereof | Physics | 63 | Expired |
| US5517204A | Antenna directing apparatus | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5745225A | Apparatus for measuring a shape of road surface | Physics | 43 | Expired |
| US5354975A | Contactless data processing apparatus | Physics | 31 | Expired |
| US6679118B1 | Accelerometer and spherical sensor type measuring instrument | Physics | 28 | Expired |
| US5786535A | Flaw detection apparatus employing tire probes having ultrasonic oscillators mounted therein | Physics | 23 | Expired |
| US5349531A | Navigation apparatus using a global positioning system | Physics | 21 | Expired |
| US5584598A | Concrete-floor finisher | Fixed Constructions | 18 | Expired |
| US5305429A | Input apparatus using three-dimensional image | Physics | 15 | Expired |
| US5698783A | Acceleration-detection type gyro | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5199044A | System for detecting position of object having data carrier | Physics | 14 | Expired |
| US5630064A | Data processing apparatus using reader/writer and data carrier | Physics | 13 | Expired |
| US5150084A | Power divider | Electricity | 13 | Expired |
| US5243296A | Method and apparatus for checking operation of solenoid | Physics | 12 | Expired |
| US6019056A | Anti-rolling apparatus | Performing Operations; Transporting | 9 | Expired |
| US5821420A | Vibration-type gyro apparatus for calculating angular velocity | Physics | 9 | Expired |
| US5170667A | Method and apparatus for monitoring state of polymeric materials | Physics | 8 | Expired |
| US5602336A | Flow detection apparatus employing tire probes having ultrasonic oscilators mounted therein | Physics | 8 | Expired |
| US5416976A | Gyro compass | Physics | 8 | Expired |
| US5719335A | Electrostatic rate gyroscope | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5206838A | Ultrasonic transducer | Physics | 6 | Expired |
| US5247748A | Gyro compass | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.