Hitoshi Ando
52Patents
19h-index
63Co-inventors
87Inventor score
Filing activity: Jul 1, 1987 → May 7, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4890233A | Vehicle bearing detection and data processing methods applicable to vehicle navigation system | Physics | 180 | Expired |
| US5036329A | GPS satellite signal tracking method for GPS receivers | Physics | 114 | Expired |
| US5179519A | Navigation system for vehicle | Physics | 102 | Expired |
| US4924402A | Method for identifying current position of vehicle | Physics | 91 | Expired |
| US4837700A | Method and apparatus for processing data in a GPS receiving device in a road vehicle | Physics | 86 | Expired |
| US4831563A | Method of processing output data from geomagnetic sensor | Physics | 83 | Expired |
| US5177490A | GPS satellite signal tracking system for GPS receivers | Physics | 73 | Expired |
| US4983980A | Satellite radio signal tracking method for GPS receivers | Physics | 51 | Expired |
| US6303887A | Pushbutton switch element for pushbutton switch structure | Electricity | 51 | Expired |
| US5480636A | Titanium oxide particles and method of scavenging noxious materials | Chemistry; Metallurgy | 34 | Expired |
| US5222245A | GPS receiver | Physics | 30 | Expired |
| US5155491A | Satellite radio signal tracking method for GPS receivers | Physics | 30 | Expired |
| US4903211A | On-board navigation system for motor vehicles | Physics | 29 | Expired |
| US4965574A | Variable-brightness display for use in a navigation system for a vehicle | Physics | 28 | Expired |
| US4807157A | Method of displaying a map | Physics | 26 | Expired |
| US4891760A | On-board navigation system for motor vehicles | Physics | 25 | Expired |
| US5555521A | Method of operating the semiconductor memory storing analog data and analog data storing apparatus | Physics | 25 | Expired |
| US8274358B2 | Multidirectional input member and electrical device having same | Emerging Cross-Sectional Technologies | 25 | Active |
| US5059969A | GPS satellite signal tracking method for GPS receivers | Physics | 21 | Expired |
| US6427456B2 | Automatic ice maker | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5206446A | Electronic musical instrument having a plurality of tone generation modes | Physics | 18 | Expired |
| US7324746B2 | Fluid heater and evaluation equipment incorporating the same | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7952038B1 | Two-stage switch apparatus | Electricity | 16 | Active |
| USD449005S | Watch case | General | 13 | Expired |
| US6388218B1 | Push button switch cover and method for manufacturing same | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.