DIRECTION TECHNOLOGY CO., LTD.
8Patents
2Active
8Granted
32Portfolio score
Filing activity: Mar 6, 1989 → Jul 31, 2018
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5374827A | Bias for a conversion dynode in an electron multiplier | Electricity | 10 | Expired |
| US6961374B2 | Pulse data coding method for wireless signal transmitting and receiving devices | Human Necessities | 6 | Expired |
| US6719107B1 | Braking assembly with self-generating power energy | Electricity | 5 | Expired |
| US5374864A | Electron multiplier with increased-area channel | Electricity | 5 | Expired |
| USD481429S1 | Pulling force enhancement module | General | 3 | Expired |
| US10732058B2 | Force measurement system for exercise equipment | Human Necessities | 1 | Active |
| US5030878A | Electron multiplier with replaceable rear section | Electricity | 1 | Expired |
| US10222282B2 | Flywheel torsion measuring device with internal power | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.