Kabushiki Kaisha Takai Rika Denki Seisakusho
90Patents
22Active
90Granted
43Portfolio score
Filing activity: May 20, 1974 → Dec 13, 2021 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4634835A | Anti-dazzle device for a rearview mirror of a motor vehicle | Electricity | 137 | Expired |
| US6742905B2 | Rearview mirror | Performing Operations; Transporting | 46 | Expired |
| US5800426A | High-frequency heating power device for catheter | Human Necessities | 43 | Expired |
| US4597546A | Webbing retractor | Performing Operations; Transporting | 35 | Expired |
| US5924722A | Air bag apparatus | Performing Operations; Transporting | 32 | Expired |
| US5119532A | Buckle apparatus | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6579593B1 | Simulated wood tone member and method of manufacturing simulated wood tone member | Emerging Cross-Sectional Technologies | 28 | Expired |
| US8845001B2 | Device for detecting opening/closing of charger lid | Emerging Cross-Sectional Technologies | 25 | Active |
| US4986646A | Electric rearview mirror device for a vehicle | Physics | 22 | Expired |
| US4447017A | Seatbelt webbing retracting device | Performing Operations; Transporting | 21 | Expired |
| US4592520A | Webbing tension device | Performing Operations; Transporting | 20 | Expired |
| US3939313A | Rotary switch assembly having fixed contacts which may be selectively segmented | Electricity | 19 | Expired |
| US5676395A | Tethered air bag | Performing Operations; Transporting | 18 | Expired |
| US4583701A | Webbing retractor | Performing Operations; Transporting | 16 | Expired |
| US5723959A | Power window driving control device | Electricity | 15 | Expired |
| US4657362A | Door mirror | Performing Operations; Transporting | 13 | Expired |
| US4384242A | Speed control systems of synchronous motors | Electricity | 13 | Expired |
| US5794469A | Steering lock device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4575590A | Thrust-in operation type switching device | Electricity | 11 | Expired |
| US4855542A | Cancelling mechanism for turning signal | Performing Operations; Transporting | 11 | Expired |
| US6400254B2 | Vehicle electronic key system | Performing Operations; Transporting | 11 | Expired |
| US6961195B2 | Mirror device for a vehicle | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7328596B2 | Steering lock | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4556177A | Lock-type seat belt retractor of automobile | Performing Operations; Transporting | 10 | Expired |
| US4568037A | Webbing tension device | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.