Ryo Ito
40Patents
8h-index
61Co-inventors
78Inventor score
Filing activity: Jun 9, 1987 → Jul 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5691737A | System for explaining an exhibit using spectacle-type displays | Electricity | 71 | Expired |
| US5451976A | Image display apparatus | Physics | 62 | Expired |
| US6643923B1 | Processes for manufacturing flexible wiring boards | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6204886A | TV receiver having recording/reproducing functions and method of recording/reproducing TV signals | Electricity | 12 | Expired |
| USD1021695S1 | Motor scooter | General | 10 | Active |
| US7630800B2 | Failure sensing device of vehicle control system | Performing Operations; Transporting | 10 | Expired |
| US6011516A | Multiband antenna with a distributed-constant dielectric resonant circuit as an LC parallel resonant circuit, and multiband portable radio apparatus using the multiband antenna | Electricity | 9 | Expired |
| US8708092B2 | Speaker device | Electricity | 9 | Active |
| US6427048B2 | Apparatus and method for recording, reproducing and displaying a video signal received by a signal receiver | Electricity | 6 | Expired |
| US8776944B2 | On-vehicle acoustic device and method of assembling the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US9386376B2 | Speaker assembly for a high-temperature environment | Emerging Cross-Sectional Technologies | 3 | Active |
| US9743163B2 | Loudspeaker unit | Electricity | 3 | Active |
| US6848176B2 | Process for manufacturing flexible wiring boards | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9802556B2 | Electric vehicle | Performing Operations; Transporting | 2 | Active |
| US7053312B2 | Flexible wiring boards | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10263562B2 | Electrical apparatus | Electricity | 2 | Active |
| US8010257B2 | Electronic control units for controlling in-vehicle devices using time-dependent data and vehicle control system integrating such units for real-time distributed control | Electricity | 2 | Active |
| US6990363B2 | Wireless communication device with an improved antenna structure | Electricity | 2 | Expired |
| US10462555B2 | In-vehicle speaker | Electricity | 2 | Active |
| US4794471A | Mode processing circuit | Physics | 2 | Expired |
| US11805367B2 | Speaker | Electricity | 1 | Active |
| US7584333B2 | Data processing device in vehicle control system | Physics | 1 | Expired |
| US9753430B2 | Sensor device having plural resistance change sensors and method of using the same | Physics | 1 | Active |
| US9599445B2 | Machine tool including affected layer detection sensor | Physics | 1 | Active |
| US9963083B2 | Vehicle loudspeaker system | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.