Hiroko Murakami
28Patents
7h-index
34Co-inventors
69Inventor score
Filing activity: Dec 9, 1993 → Aug 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6288668A | Analog to digital converter, encoder, and recorded data reproducing apparatus | Electricity | 34 | Expired |
| US7430992B2 | Engine-driven work machine | Mechanical Engineering; Lighting; Heating | 32 | Active |
| US6671112B2 | Semiconductor integrated circuit device | Electricity | 20 | Expired |
| US5402368A | Computing unit and digital signal processor using the same | Physics | 14 | Expired |
| US5600601A | Semiconductor memory device with reduced consumption power for bit line precharge | Physics | 14 | Expired |
| US8717142B2 | Door lock control apparatus for vehicle | Emerging Cross-Sectional Technologies | 9 | Active |
| US6844163B1 | Method for analyzing the amount of intraabdominal adipose tissue | Physics | 8 | Expired |
| US8960160B2 | Engine working machine | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US6288665A | Analog to digital converter, encoder, and recorded data reproducing apparatus | Electricity | 6 | Expired |
| US9425544B2 | Electric power takeout device | Electricity | 4 | Active |
| US10513244B2 | Vehicle control system and vehicle control device | Physics | 3 | Active |
| US8527152B2 | Vehicle control device | Physics | 3 | Active |
| US8242886B2 | Door lock control device | Performing Operations; Transporting | 2 | Active |
| US8428792B2 | In-vehicle device control system | Performing Operations; Transporting | 2 | Active |
| US10139481B2 | Radio communication system and distance measuring method | Physics | 2 | Active |
| US8860550B2 | In-vehicle device controller | Physics | 2 | Active |
| US9199610B2 | In-vehicle device control system | Electricity | 1 | Active |
| US8836485B2 | Remote control system and mobile device | Physics | 1 | Active |
| US8588715B2 | Receiver, wireless communication system, and receiving method | Electricity | 1 | Active |
| US8843091B2 | Remote keyless entry and tire pressure monitoring radio communication system, receiver, and communication method that switches a reception mode of a receiver between a first reception mode and a second reception mode | Performing Operations; Transporting | 1 | Active |
| US8847744B2 | Vehicle receiver system, vehicle receiver, and operating method for vehicle receiver | Physics | 0 | Active |
| US9373252B2 | Remote control system and mobile device | Physics | 0 | Active |
| US8950547B2 | Engine muffler | Emerging Cross-Sectional Technologies | 0 | Active |
| US11377991B2 | Muffler device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8983561B2 | In-vehicle apparatus | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.