Kenichi Hirooka
6Patents
4h-index
26Co-inventors
57Inventor score
Filing activity: Dec 23, 1992 → Aug 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5355629A | Door structure for vehicle | Performing Operations; Transporting | 35 | Expired |
| US5351443A | Automotive door with window pane lifter module | Performing Operations; Transporting | 24 | Expired |
| US7076918B2 | Window regulator | Fixed Constructions | 11 | Expired |
| US7500712B2 | Vehicle door structure | Performing Operations; Transporting | 4 | Active |
| US7372289B2 | Semiconductor integrated circuit device and power supply voltage monitor system employing it | Electricity | 2 | Expired |
| US11496029B2 | Laminated core, laminated core manufacturing method, and armature that uses a laminated core | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.