Terasaki Denki Sangyo Kabushiki Kaisha
18Patents
0Active
18Granted
30Portfolio score
Filing activity: May 20, 1974 → Oct 30, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5252933A | Circuit breaker including forced contact parting mechanism capable of self-retaining under short circuit condition | Electricity | 29 | Expired |
| US5019956A | Power control apparatus | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4325041A | Circuit interrupter | Electricity | 12 | Expired |
| US6084191A | Circuit breaker | Electricity | 11 | Expired |
| US6054912A | Trip device of circuit breaker | Electricity | 11 | Expired |
| US5335140A | Drawer-type circuit interrupter | Electricity | 9 | Expired |
| US4388506A | Circuit interrupter | Electricity | 8 | Expired |
| US5751604A | Cogeneration system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4220822A | Time division multiplex transmission system | Electricity | 5 | Expired |
| US4853819A | Overcurrent tripping unit for a circuit breaker | Electricity | 4 | Expired |
| US5012053A | Contact device for a switch | Electricity | 4 | Expired |
| US5837950A | Drawer type circuit breaker with drawer contacts biased against contact arcuate portions and external connection terminals | Electricity | 4 | Expired |
| US3940723A | Instantaneously tripping device for circuit interrupter | Electricity | 4 | Expired |
| US4611188A | Circuit breaker | Electricity | 1 | Expired |
| US4024488A | Self-restoring type current limiting device | Electricity | 1 | Expired |
| US6509817B2 | Multipolar circuit breaker | Electricity | 1 | Expired |
| US6225588A | Trip device of circuit breaker | Electricity | 1 | Expired |
| US6034341A | Circuit breaker | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.