Rikuo Hatano
15Patents
9h-index
12Co-inventors
65Inventor score
Filing activity: Sep 11, 1990 → Sep 28, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5355511A | Position monitoring for communicable and uncommunicable mobile stations | Electricity | 118 | Expired |
| US6304168A | Door approach communication apparatus and door lock control apparatus | Physics | 57 | Expired |
| US7098675B2 | Capacitance change detection device | Electricity | 45 | Expired |
| US6002341A | Door lock control apparatus for a vehicle | Physics | 31 | Expired |
| US6163305A | Loop antenna device | Electricity | 28 | Expired |
| US5159257A | Vehicle power supply apparatus for protecting a battery from excessive discharge | Electricity | 23 | Expired |
| US7015705B2 | Capacitance detection apparatus | Electricity | 20 | Expired |
| US6281599A | Remote control apparatus | Physics | 18 | Expired |
| US5191500A | Power supply circuit for an automobile | Electricity | 11 | Expired |
| US6583764B2 | Loop antenna device | Electricity | 7 | Expired |
| US7679571B2 | Antenna device and door handle device | Physics | 4 | Expired |
| US7933325B2 | Antenna driving apparatus | Electricity | 2 | Active |
| US5377015A | Image processing device for converting a scanned image into a monochrome image | Electricity | 1 | Expired |
| US5689811A | Communication system for communicating information ascertaining why reply information was not transmitted | Electricity | 1 | Expired |
| US6504880B1 | ASK modulation circuit | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.