Akihide Shiratsuki
17Patents
5h-index
26Co-inventors
62Inventor score
Filing activity: Nov 29, 2000 → Dec 18, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6972834B1 | Optical distance sensor | Physics | 30 | Expired |
| US7578373B2 | Elevator rope slip detector and elevator system | Performing Operations; Transporting | 13 | Expired |
| US7588127B2 | Elevator rail joint detector and elevator system | Performing Operations; Transporting | 13 | Expired |
| US7614482B2 | Elevator rope slip detector and elevator system | Performing Operations; Transporting | 9 | Expired |
| US8115162B2 | Sliding door apparatus and elevator including an obstruction detection system | Performing Operations; Transporting | 8 | Active |
| US6657185B2 | Pattern detector for capturing images with reduced distortion | Physics | 5 | Expired |
| US6846116B2 | Sensor head | Physics | 5 | Expired |
| US7577279B2 | Identity verification apparatus and fingerprint image pickup method | Physics | 4 | Active |
| US7574023B2 | Fingerprint image pickup device | Physics | 2 | Active |
| US11345568B2 | Cage position detection device | Physics | 1 | Active |
| US10144613B2 | Elevator position detection apparatus | Performing Operations; Transporting | 1 | Active |
| US10065833B2 | Elevator position detection apparatus | Performing Operations; Transporting | 0 | Active |
| US11319187B2 | Elevator car position detection device | Physics | 0 | Active |
| US11472665B2 | Elevator car position detection sensor that determines a phase of an alternating-current voltage corresponding to a frequency of an excitation magnetic field | Electricity | 0 | Active |
| US10801999B2 | Rope damage diagnostic testing apparatus | Physics | 0 | Active |
| US10399817B2 | Elevator car position detection device | Electricity | 0 | Active |
| US10955565B2 | Radiation measurement device and method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.