Toru Ito
127Patents
24h-index
143Co-inventors
93Inventor score
Filing activity: Dec 24, 1986 → Dec 9, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6154152A | Road data maintenance system and on-vehicle terminal apparatus compatible therewith | Physics | 249 | Expired |
| US5568390A | Navigation system to be mounted on vehicles | Physics | 227 | Expired |
| US5638279A | Vehicle navigation system and navigation method | Physics | 128 | Expired |
| USD599234S1 | Auto-sampler for chromatograph | General | 126 | Expired |
| US5559511A | Vehicle route guidance apparatus for re-searching for a new route when vehicle goes out of route | Physics | 96 | Expired |
| US4882220A | Fibrous structures having a durable fragrance | Emerging Cross-Sectional Technologies | 95 | Expired |
| US4917920A | Fibrous structures having a durable fragrance and a process for preparing the same | Emerging Cross-Sectional Technologies | 92 | Expired |
| US8343306B2 | Plasma processing apparatus and method of plasma distribution correction | Electricity | 79 | Active |
| USD398855S | Combined bottle and cap | General | 79 | Expired |
| US6230098A | Map data processing apparatus and method, and map data processing system | Physics | 79 | Expired |
| US5410486A | Navigation system for guiding vehicle by voice | Physics | 78 | Expired |
| USD428816S | Combined squeeze bottle and cap | General | 75 | Expired |
| US5452217A | Navigation system for guiding vehicle orally | Physics | 69 | Expired |
| US5343399A | Vehicle navigation system | Physics | 65 | Expired |
| US5793631A | Voice route-guidance system and method having a function for judging approachment to a decision point | Physics | 50 | Expired |
| US5475599A | Vehicle navigation system | Physics | 46 | Expired |
| US5371497A | Navigation system for vehicles | Physics | 40 | Expired |
| US5529344A | Seat belt device for automobile | Performing Operations; Transporting | 35 | Expired |
| USD599688S1 | Spectrophotometer | General | 34 | Expired |
| USD390471S | Combined bottle and cap | General | 32 | Expired |
| US6233520A | Map data access method for navigation and navigation system | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5990825A | Positioning system and fixed station and positioning apparatus for employing the same | Physics | 29 | Expired |
| US5506578A | Volume control of aural guidance of vehicle route guidance apparatus | Physics | 28 | Expired |
| US5729217A | Vehicle route guidance apparatus for reseaching for a route when vehicle goes out of route | Physics | 28 | Expired |
| US5950028A | Camera with a lens barrier | Physics | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.