Motoki Hirano
24Patents
18h-index
21Co-inventors
81Inventor score
Filing activity: Sep 18, 1984 → Oct 1, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4688036A | Keyless entry system for automotive vehicle with power consumption saving feature | Emerging Cross-Sectional Technologies | 162 | Expired |
| US4670746A | Keyless entry system for automotive devices with feature for giving caution for locking wireless code transmitter in vehicle | Emerging Cross-Sectional Technologies | 119 | Expired |
| US4731613A | Positioning system for a vehicle | Physics | 99 | Expired |
| US6141014A | Bird's-eye view forming method, map display apparatus and navigation system | Physics | 95 | Expired |
| US5917436A | Map display apparatus | Physics | 83 | Expired |
| US4672375A | Keyless entry system for automotive devices with compact, portable wireless code transmitter, and feature for preventing users from locking transmitter in vehicle | Emerging Cross-Sectional Technologies | 83 | Expired |
| US4897644A | Radio-wave transmission system of keyless entry system for automotive vehicle devices | Emerging Cross-Sectional Technologies | 82 | Expired |
| US5111199A | Pocket-portable radio code signal transmitter for automotive keyless entry system | Physics | 81 | Expired |
| US4760394A | Antenna for transmitting and/or receiving radio waves by way of electromagnetic induction | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4763121A | Keyless entry system for automatically operating automotive door locking devices without manual operation | Physics | 65 | Expired |
| US4719460A | Keyless entry system for automotive vehicle devices with theft-prevention feature | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6278383A | Map display apparatus | Physics | 42 | Expired |
| US4973958A | Keyless entry system for automotive devices antenna device allowing low power radio signal communication | Physics | 32 | Expired |
| US6346942B1 | Bird's-eye view forming method, map display apparatus and navigation system | Physics | 26 | Expired |
| US6603407B2 | Map display apparatus | Physics | 20 | Expired |
| US4994820A | Plane antenna | Electricity | 19 | Expired |
| US6756919B2 | Map display apparatus | Physics | 18 | Expired |
| US4737784A | Keyless entry system for automotive vehicle devices with weak-battery alarm | Physics | 18 | Expired |
| US6760027B2 | Bird's-eye view forming method, map display apparatus and navigation system | Physics | 18 | Expired |
| US4783658A | Method and system for detecting encoded radio signals | Physics | 14 | Expired |
| US5964810A | Map display apparatus | Physics | 14 | Expired |
| US5010349A | Plane patch antenna | Electricity | 12 | Expired |
| US6654014B2 | Bird's-eye view forming method, map display apparatus and navigation system | Physics | 11 | Expired |
| US8887159B2 | Flexible and scalable operating system achieving a fast boot and reliable operation | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.