Yuichi Murakami
56Patents
18h-index
68Co-inventors
87Inventor score
Filing activity: Jul 5, 1985 → Dec 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5113178A | Position display apparatus | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5512910A | Microstrip antenna device having three resonance frequencies | Electricity | 58 | Expired |
| US6304168A | Door approach communication apparatus and door lock control apparatus | Physics | 57 | Expired |
| US6577228B1 | Door handle for vehicle and smart entry system for vehicle using the same | Physics | 54 | Expired |
| US5402441A | Signal receiver for global positioning system | Physics | 51 | Expired |
| US7091823B2 | Human body detecting device and door locking device | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6933831B2 | Door handle for vehicle | Performing Operations; Transporting | 37 | Expired |
| US6812823B2 | Unlock operation system of a vehicle door | Physics | 35 | Expired |
| US4621223A | Load drive control system for a motor vehicle window | Fixed Constructions | 33 | Expired |
| US4958613A | Internal combustion engine with crankcase ventilation system | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US7210715B2 | Door handle device | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4761644A | Data transmission system | Physics | 28 | Expired |
| US7049940B2 | Door opening/closing device for a vehicle and a method of recognizing an opening/closing operation of a vehicle door | Physics | 28 | Expired |
| US6163305A | Loop antenna device | Electricity | 28 | Expired |
| US7057124B2 | Push switch apparatus | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4717904A | Collision responsive signal emitter for a vehicle | Performing Operations; Transporting | 23 | Expired |
| US6795032B2 | Antenna device | Electricity | 20 | Expired |
| US6281599A | Remote control apparatus | Physics | 18 | Expired |
| US4853703A | Microstrip antenna with stripline and amplifier | Electricity | 17 | Expired |
| US5657232A | Onboard positioning system | Physics | 17 | Expired |
| US4986235A | Oil pan for internal combustion engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US8630772B2 | Occupant protection system for vehicle | Physics | 15 | Active |
| US5631838A | Apparatus for verifying GPS satellite data | Physics | 14 | Expired |
| US7751664B2 | Door handle apparatus for vehicle | Emerging Cross-Sectional Technologies | 14 | Active |
| US4713044A | Belt tensioner unit for internal combustion engine or the like | Mechanical Engineering; Lighting; Heating | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.