FUJITEC CO., LTD.
47Patents
30Active
47Granted
48Portfolio score
Filing activity: Jul 6, 1978 → Sep 6, 2023 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5485897A | Elevator display system using composite images to display car position | Performing Operations; Transporting | 134 | Expired |
| USD456293S1 | Indicator cover | General | 62 | Expired |
| US5022498A | Method and apparatus for controlling a group of elevators using fuzzy rules | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6732838B1 | Power supply for ac elevator | Electricity | 27 | Expired |
| US5767461A | Elevator group supervisory control system | Performing Operations; Transporting | 16 | Expired |
| US7178637B2 | Both-way movable body driving mechanism and elevator using the same | Performing Operations; Transporting | 15 | Expired |
| US6984797B2 | Push-button switch | Electricity | 14 | Expired |
| US4554459A | Monitoring system for a predetermined field of view | Physics | 10 | Expired |
| US5435428A | Escalator apparatus | Performing Operations; Transporting | 9 | Expired |
| US4708557A | Drill screw | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD774938S1 | Elevator control panel with graphical user interface | General | 8 | Active |
| US4213517A | Elevator control system | Performing Operations; Transporting | 7 | Expired |
| US4662225A | Seismic detector | Physics | 6 | Expired |
| US6604621B1 | Variable-speed moving sidewalk and method of designing it | Performing Operations; Transporting | 6 | Expired |
| US5472075A | Escalator apparatus | Performing Operations; Transporting | 5 | Expired |
| US8584809B2 | Safety device for elevator | Performing Operations; Transporting | 4 | Active |
| US6341683B1 | Moving walk | Performing Operations; Transporting | 4 | Expired |
| US7882937B2 | Elevating machine control apparatus | Emerging Cross-Sectional Technologies | 4 | Active |
| USD774937S1 | Elevator control panel with graphical user interface | General | 4 | Active |
| USD827471S1 | Elevator control panel | General | 3 | Active |
| US8960374B2 | Elevator group control method and device for performing control based on a waiting time expectation value of all passengers on all floors | Performing Operations; Transporting | 3 | Active |
| US8502421B2 | Moving magnet type linear motor | Electricity | 2 | Active |
| US9682843B2 | Elevator group management system | Performing Operations; Transporting | 2 | Active |
| US8672098B2 | Elevator safety device with foreign matter detection using a light beam | Performing Operations; Transporting | 2 | Active |
| US11691852B2 | Height raising member for raising mounting position of motor for elevator door, car door device equipped with height raising member for raising mounting position of motor for elevator door, and elevator car equipped with height raising member for raising mounting position of motor for elevator door | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.